A Technical Overview of Firework Prop: Specifications and Applications

Types of Firework Props: A Complete Guide

Firework props have become increasingly popular among enthusiasts, performers, and event organizers, offering a safe and visually captivating alternative to traditional pyrotechnics. Designed to simulate the dazzling effects of real fireworks, these props use light, motion, sound, and technology to create stunning displays without the risks associated with explosives.

Available in a wide range of formats—from handheld devices to digital simulations—firework props are ideal for parties, theatrical performances, concerts, film productions, and virtual events. They provide creative flexibility, enhance audience engagement, and are often reusable, eco-friendly, and compliant with safety regulations.

Below is a detailed breakdown of the most common types of firework props, their features, applications, and benefits.

Handheld Firework Props

These include sparkling wands, LED sparklers, and glow sticks that users can hold and wave during celebrations. Popular at weddings, New Year’s Eve parties, and children’s events, they offer a personal and interactive experience.

Advantages

• Safe and easy to use
• No fire or smoke produced
• Ideal for family-friendly events
• Portable and lightweight
• Reusable (especially LED versions)

Limitations

• Limited visual range (best for close-up use)
• Less impactful than large-scale effects
• Battery-dependent (for electronic versions)

Best for: Parties, parades, birthday celebrations, and interactive guest experiences

Stage Firework Props

Used in theater, concerts, and live performances, these props simulate fireworks through synchronized lighting, projection, sound effects, and illuminated backdrops. They create dramatic climaxes without the hazards of real pyrotechnics.

Advantages

• Perfect for indoor venues
• Highly controllable and repeatable
• Can be synced with music and choreography
• Compliant with fire safety codes
• Creates immersive visual storytelling

Limitations

• Requires technical setup and equipment
• Higher initial cost for professional systems
• Needs trained operators

Best for: Theatrical productions, concerts, award shows, and indoor events

Performance Firework Props

Used by circus performers, dancers, and fire artists, these props include LED poi, staffs, hoops, and masks that mimic firework bursts through dynamic light patterns and motion. Many incorporate programmable LEDs for customizable color sequences.

Advantages

• Highly interactive and movement-responsive
• Vibrant, customizable colors
• Energy-efficient and long-lasting
• Adds theatrical flair to performances
• Safer than actual fire props

Limitations

• Requires charging or battery replacement
• Potential for technical malfunctions
• May require choreography practice

Best for: Dance troupes, circus acts, festivals, and themed performances

Mechanical Firework Props

These devices use mechanical systems to simulate fireworks—such as spinning spark wheels, confetti cannons, smoke machines, or launchers for lightweight pyrotechnic substitutes. Commonly used in film, TV, parades, and public events.

Advantages

• Produces large-scale, repeatable effects
• Weather-resistant (usable in wind or light rain)
• Controlled timing and consistency
• Great for outdoor spectacles
• Can be automated or remotely triggered

Limitations

• Bulky and requires setup space
• Higher maintenance and operational cost
• May require permits or safety zones

Best for: Parades, film sets, public festivals, and large outdoor events

Virtual Firework Props

Digital simulations created using software for video games, VR experiences, online events, and augmented reality. These allow users to design, customize, and "launch" fireworks on screens or through headsets.

Advantages

• No physical risk or environmental impact
• Highly customizable designs and colors
• Cost-effective for repeated use
• Accessible from personal devices
• Perfect for remote or digital celebrations

Limitations

• Lacks physical presence and sensory impact
• Requires digital devices and internet
• May not satisfy audiences expecting real effects

Best for: Online events, gaming, virtual reality, educational tools, and digital art installations

Type	Safety Level	Visual Impact	Setup Complexity	Best Use Case
Handheld	Very High	Low to Medium	Very Low	Festive gatherings, children’s events
Stage	High	High	High	Theater, concerts, indoor shows
Performance	High	Medium to High	Medium	Dance, circus, live art
Mechanical	Medium	Very High	High	Parades, film, public events
Virtual	Extremely High	Medium (digital)	Low to Medium	Digital events, gaming, VR

Expert Tip: When selecting firework props for public events, always check local regulations and venue restrictions. LED and virtual options are often the safest and most universally permitted alternatives, especially in urban or indoor environments.

Design of Firework Props: Creating Safe and Spectacular Visual Experiences

The design of firework props blends artistry, engineering, and technology to produce dazzling visual effects that safely replicate the excitement of real fireworks. These props are widely used in performances, festivals, theme parks, and entertainment events where pyrotechnics are impractical or unsafe.

By integrating light, motion, sound, and thematic elements, designers craft immersive experiences that captivate audiences without the risks associated with traditional explosives. Below are the core design principles and components that define modern firework prop development.

Key Design Elements of Firework Props

Visual Elements

At the heart of every firework prop is its visual impact. Designers use vibrant color palettes—such as radiant reds, electric blues, emerald greens, and shimmering golds—to evoke emotion and energy. LED technology has revolutionized this aspect, enabling precise control over brightness, color transitions, and dynamic lighting effects like pulsing, fading, strobing, or twinkling.

Patterns are carefully choreographed to mimic natural firework behaviors: spherical bursts resembling blooming flowers, radial spider-like trails, cascading willow effects, and starburst explosions. These visual motifs can be programmed for synchronization with music or performance cues, enhancing storytelling and audience engagement.

Mechanics and Movement

Movement brings firework props to life. Mechanical systems such as rotating arms, spring-loaded launchers, or motorized spinners simulate the explosive dispersion seen in real fireworks. Performers often use handheld devices like LED poi, staffs, or batons that generate luminous trails through motion, creating intricate light paintings in the air.

Automated projectors and robotic launchers can release confetti, glitter, or reflective ribbons in controlled bursts, producing dynamic aerial displays. Some advanced props include gyroscope stabilization and motion sensors to adjust output based on movement speed and direction, ensuring consistent visual quality during live performances.

Sound Design

To heighten realism and emotional impact, many firework props incorporate synchronized audio effects. Sounds such as sharp "pops," deep "booms," rising "whistles," or crackling "sparks" are timed to coincide with visual bursts, creating a multisensory experience.

Integrated speakers or wireless audio systems allow for precise sound-to-light synchronization, especially when paired with music-driven shows. This auditory layer not only enhances immersion but also helps maintain rhythm in choreographed performances, making the display feel more cohesive and powerful.

Safety and Usability

Safety is a top priority in firework prop design. Unlike traditional pyrotechnics, most props use non-combustible materials and low-heat LEDs, eliminating fire hazards and toxic emissions. This makes them ideal for indoor venues, crowded public spaces, and events involving children.

Props are typically lightweight, ergonomically shaped, and built with durable, impact-resistant materials for ease of handling. Battery-powered operation ensures portability, while waterproofing and shock absorption extend usability across outdoor and challenging environments. Clear user instructions and fail-safe mechanisms further reduce operational risks.

Thematic and Cultural Influences

Firework props are often customized to reflect cultural traditions, seasonal celebrations, or brand identities. For example, dragon-shaped light displays are common during Lunar New Year festivities, while heart-shaped bursts may feature in Valentine’s Day events.

Designers incorporate region-specific colors and symbols—such as cherry blossoms in Japanese festivals or national flags in Independence Day celebrations—to deepen audience connection. Thematic integration transforms generic displays into meaningful spectacles that resonate emotionally and culturally.

Material and Technological Innovation

Modern firework props leverage cutting-edge materials and smart technologies. Flexible PCBs (printed circuit boards), addressable RGB LEDs, and microcontrollers (like Arduino or ESP32) enable complex lighting sequences and remote control via apps or DMX systems.

Housings are made from lightweight polycarbonate, ABS plastic, or aerospace-grade aluminum to balance durability and portability. Rechargeable lithium-ion batteries provide long runtimes, while wireless connectivity allows for real-time adjustments and synchronization across multiple units in large-scale installations.

Design Element	Function	Common Applications
LED Lighting Systems	Produce bright, colorful, and programmable visual effects	Stage performances, parades, holiday events
Motion Mechanisms	Simulate explosion dynamics and create light trails	Dance routines, circus acts, interactive exhibits
Audio Integration	Enhance realism and synchronize with visual cues	Concerts, theatrical productions, theme park shows
Ergonomic Design	Ensure comfort and safety during extended use	Street performances, educational programs, retail promotions

Best Practices in Firework Prop Development

Focus on User Experience: Prioritize intuitive controls, balanced weight distribution, and responsive feedback to ensure performers can use the props confidently and creatively.

Ensure Weather Resistance: Use sealed enclosures and corrosion-resistant components for outdoor durability, especially in humid or rainy conditions.

Enable Customization: Allow for reprogrammable lighting patterns, interchangeable attachments, or modular designs to support diverse event themes.

Test Rigorously: Conduct stress tests for drop resistance, battery life, and thermal performance to guarantee reliability under real-world conditions.

Promote Sustainability: Choose recyclable materials and energy-efficient components to minimize environmental impact and support eco-friendly events.

Important: Always comply with local safety regulations when designing or operating firework props, especially in public venues. Even non-pyrotechnic props should undergo risk assessments for electrical safety, audience proximity, and performer training. Proper maintenance and inspection before each use are essential to prevent malfunctions and ensure a flawless performance.

Scenarios of Firework Props: Safe, Spectacular, and Versatile

Firework props have revolutionized the way we celebrate, perform, and create visual spectacles. Unlike traditional fireworks, which pose safety risks and require permits, firework props offer a controlled, reusable, and often eco-friendly alternative for generating dazzling light effects. From intimate gatherings to grand productions, these props enable stunning displays without the noise, smoke, or regulatory hurdles of real pyrotechnics.

Below is a comprehensive breakdown of the most common and impactful scenarios where firework props are used—highlighting their versatility, safety advantages, and creative potential.

Personal Celebrations

Firework props are a favorite for birthdays, wedding anniversaries, baby showers, and New Year’s Eve parties. Handheld sparklers, LED wands, glow sticks, and compact projection devices allow guests to participate in the spectacle safely and joyfully.

• Family-friendly appeal: Ideal for events with children, as they produce no loud bangs or flying debris.
• Interactive fun: Guests can wave sparklers or trigger small light bursts, creating memorable photo moments.
• Indoor compatibility: Many LED-based props can be used indoors, expanding decoration options beyond outdoor spaces.
• Reusable and affordable: Battery-powered props can be used multiple times, reducing long-term costs.

Popular choices: Fiber-optic sparklers, color-changing LED wands, and mini confetti cannons.

Theatrical Performances

In stage productions—ranging from school plays to Broadway musicals—firework props enhance dramatic moments, signal climaxes, or symbolize emotional turning points. These effects are carefully timed and safe for performers and audiences alike.

• Dramatic emphasis: A sudden burst of light can underscore a character’s revelation or a pivotal scene transition.
• Venue compliance: Most theaters prohibit real fireworks; props provide a legal, smoke-free alternative.
• Customizable intensity: Effects can be dimmed or synchronized with music for precise storytelling impact.
• Integration with lighting: Firework props work seamlessly with stage lighting and fog machines for immersive effects.

Pro tip: Use wireless-triggered LED bursts for consistent timing during live performances.

Public Celebrations and Events

Parades, festivals, and national holidays increasingly rely on firework props to create large-scale visual excitement without the risks of fire or public disturbance. Organizers use confetti launchers, LED projectors, and synchronized light fountains to engage crowds.

• No permits required: Avoids the legal and logistical challenges of pyrotechnic licensing.
• Weather-resistant: Many electric props function reliably in light rain or wind, unlike real fireworks.
• Eco-conscious: Reduces litter and air pollution compared to traditional fireworks.
• Repeatable shows: Can be used for multiple events or daily performances at theme parks and festivals.

Event favorites: LED firework projectors, compressed-air confetti blasters, and laser-light fountains.

Film and Video Production

In movies, commercials, and YouTube content, firework props are essential for crafting explosive or celebratory scenes safely and affordably. They allow for multiple takes, precise control, and realistic visual effects without endangering cast or crew.

• On-set safety: Eliminates fire hazards and noise exposure during filming.
• Repeatable effects: Identical bursts can be recreated for continuity across shots.
• Post-production synergy: Props provide a base layer for CGI enhancements, reducing VFX workload.
• Indoor filming: Enables "explosion" scenes in studios or controlled environments.

Creative use: Combine LED props with sound effects and slow-motion cinematography for cinematic impact.

VR and Interactive Media

Virtual reality (VR), augmented reality (AR), and video games use digital firework props to create immersive, interactive experiences. These virtual effects respond to user actions, enhancing engagement and emotional impact.

• Limitless creativity: Design fireworks of any color, shape, or scale without physical constraints.
• User interactivity: Players can "launch" fireworks with hand gestures or controller inputs.
• Real-time customization: Change patterns, timing, and music synchronization on the fly.
• Global accessibility: Users worldwide can experience fireworks regardless of local laws or weather.

Innovation spotlight: AR apps that overlay fireworks on real-world views via smartphones or smart glasses.

Educational and Corporate Events

Firework props are also used in schools, museums, and corporate launches to celebrate achievements or demonstrate scientific concepts like light refraction and energy release—without real combustion.

• Science demonstrations: Simulate chemical reactions and light emission safely in classrooms.
• Product launches: Create excitement at tech unveilings with synchronized light bursts.
• Team-building events: Interactive light displays foster collaboration and celebration.
• Branding opportunities: Custom-colored props can match company logos or event themes.

Emerging trend: Hybrid events using both physical props and digital overlays for hybrid audiences.

Expert Insight: When selecting firework props, consider the environment, audience size, and desired effect. For outdoor events, opt for high-lumen LED projectors or compressed-air launchers. For intimate gatherings, handheld sparklers or wearable LED accessories offer personal engagement. Always prioritize battery life, ease of setup, and weather resistance for professional results.

Scenario	Common Props Used	Safety Benefits	Best For
Personal Celebrations	LED wands, sparklers, mini projectors	No open flame, child-safe	Birthdays, weddings, holidays
Theatrical Performances	Stage LED bursts, wireless triggers	Smoke-free, venue-compliant	Plays, musicals, dance shows
Public Events	Confetti cannons, LED fountains	No fire risk, reusable	Festivals, parades, theme parks
Film & Video	Electric spark machines, LED panels	Repeatable, safe for close-ups	Movies, commercials, content creation
VR/AR Experiences	Digital firework engines, AR filters	Zero physical risk	Gaming, virtual concerts, education

Additional Considerations

• Regulatory Advantage: Firework props typically bypass strict fireworks regulations, making them ideal for urban or indoor events.
• Environmental Impact: Reusable props reduce waste and avoid air pollution from smoke and particulates.
• Cost Efficiency: One-time investment with long-term usability across multiple events.
• Accessibility: Suitable for all ages and abilities, including those with noise sensitivity.
• Customization: Many props support color programming, sound syncing, and remote control via apps.

Specification & Maintenance of Firework Props

Firework props—used in aesthetic performances, stage shows, festivals, and entertainment events—are essential for creating dazzling visual effects without the risks associated with real pyrotechnics. These props use advanced lighting and control technologies to simulate the look of fireworks safely. Ensuring their longevity, performance, and safety requires a thorough understanding of their specifications and consistent maintenance. This guide covers material composition, power systems, control mechanisms, and essential care practices to help users maximize the lifespan and impact of their firework props.

Safety Warning: Always disconnect power before cleaning or inspecting firework props. Avoid using near open flames or water sources. Never leave charging devices unattended. Use only manufacturer-recommended batteries and chargers to prevent fire hazards.

Key Specifications of Firework Props

• Materials

  Firework props are typically constructed from a combination of LED lights, lightweight plastics, and reinforced metal wiring. Each material plays a critical role in performance:

  • LED Lights: Available in a wide range of colors, brightness levels (measured in lumens), and configurations (e.g., RGB, single-color, strobe), LEDs are energy-efficient and produce vibrant, long-lasting light effects. High-quality LEDs ensure consistent color output and minimal flickering.
  • Plastics: Durable, weather-resistant polymers such as ABS or polycarbonate are used for housing and structural components. These materials are lightweight, shatter-resistant, and available in various colors to match design themes.
  • Metal Wiring: Flexible yet rigid metal frames (often made from aluminum or steel) allow props to maintain intricate shapes—such as spirals, stars, or custom logos—during performances. The frame must be corrosion-resistant, especially for outdoor use.

  The choice of materials directly impacts the prop’s durability, portability, visual clarity, and resistance to environmental factors like humidity and temperature fluctuations.

• Power Source

  Most modern firework props are powered by rechargeable lithium-ion or lithium-polymer batteries due to their high energy density, long cycle life, and compact size. Key considerations include:

  • Battery capacity (measured in mAh) determines runtime—typically ranging from 2 to 8 hours depending on brightness and usage.
  • Props like handheld sparklers, LED wands, and projectors require pre-charging before events to avoid mid-performance failure.
  • Advanced models may support direct AC power via adapters for continuous operation during extended shows or installations.
  • Low-voltage DC systems (3V–12V) enhance safety and reduce overheating risks.

  Always monitor battery health and replace swollen or degraded batteries immediately to prevent malfunctions or safety hazards.

• Control Mechanisms

  Modern firework props often feature intelligent control systems that enhance creativity and synchronization:

  • Remote Controls: Infrared (IR) or radio frequency (RF) remotes allow real-time adjustment of lighting modes, speed, brightness, and patterns (e.g., flicker, fade, burst).
  • Wireless Connectivity: Bluetooth or Wi-Fi enabled props can sync with music or performance cues using dedicated apps or DMX controllers, enabling precise choreography across multiple units.
  • Programmable Sequences: Some high-end projectors support pre-loaded light shows with timing and intensity variations for professional-grade displays.

  These features transform static props into dynamic storytelling tools, making performances more immersive and audience-engaging.

Essential Maintenance Practices

Proper care ensures reliable performance, extends equipment lifespan, and maintains safety standards. Follow these best practices after each use or before storage.

• Cleaning

  Regular cleaning preserves the visual quality and functionality of LED components:

  • Use a soft, slightly damp microfiber cloth to gently wipe down surfaces and remove dust, fingerprints, and moisture.
  • Avoid abrasive cloths or paper towels that may scratch plastic lenses or diffusers.
  • Never use harsh chemicals (e.g., bleach, ammonia, or solvents), which can degrade plastics and damage LED seals.
  • For props used in public events, disinfect with isopropyl alcohol (70%) on a cloth—never spray directly onto electronics.
  • Ensure all parts are completely dry before reassembly or storage to prevent internal condensation.

  Clean props not only look better but also perform more efficiently, as dirt buildup can scatter or dim light output.

• Storage

  Improper storage is a leading cause of premature failure. Follow these guidelines:

  • Store props in a cool, dry place with stable temperatures (ideally 15°C–25°C / 59°F–77°F).
  • Avoid direct sunlight, which can yellow plastics and degrade battery performance.
  • Use protective cases, padded bags, or original packaging to prevent scratches, crushing, or tangling of wires.
  • Keep props upright or in their natural shape to avoid warping metal frames.
  • Never store in damp areas like basements or garages unless climate-controlled; moisture leads to corrosion, mold, and short circuits.
• Battery Management

  Rechargeable batteries require special attention to maintain efficiency and safety:

  • Charge batteries fully before major events and avoid deep discharges (below 20%) when possible.
  • Check battery levels before and after every use using built-in indicators or multimeters.
  • For long-term storage, charge batteries to around 50% to prolong lifespan.
  • Remove batteries from props if storing for more than a month to prevent leakage or corrosion.
  • Replace batteries every 12–18 months or sooner if runtime drops significantly.

  Proper battery care prevents unexpected shutdowns and reduces fire risk from faulty cells.

• Inspection

  Regular inspections catch small issues before they become major problems:

  • After each use, examine LEDs for flickering, dark spots, or inconsistent brightness.
  • Check wiring for fraying, loose connections, or exposed conductors.
  • Inspect metal frames for bends, cracks, or rust—especially at joints and mounting points.
  • Test all control functions (remote, app, buttons) to ensure responsiveness.
  • Look for signs of overheating, such as melted plastic or burnt smells.

  Address any defects immediately—repair or retire damaged units to avoid hazards during performances.

Maintenance Task	Recommended Frequency	Potential Risks if Neglected	Tools & Supplies Needed
Cleaning	After each use or monthly	Reduced brightness, mold growth, electrical shorts	Microfiber cloth, isopropyl alcohol, soft brush
Storage	Before and after events	Physical damage, moisture damage, tangled wiring	Protective case, desiccant packs, labeled containers
Battery Check	Before every use	Sudden power loss, reduced runtime, fire hazard	Charger, voltage tester, spare batteries
Component Inspection	Monthly or after heavy use	Electrical failure, safety risks, poor performance	Flashlight, magnifier, continuity tester

Expert Tip: Create a maintenance log for each prop—record usage dates, battery cycles, cleaning sessions, and inspection findings. This helps track wear patterns, schedule replacements proactively, and maintain warranty eligibility.

Additional Recommendations

• Keep user manuals and spare parts (e.g., fuses, screws, replacement LEDs) organized and accessible.
• Use surge protectors when connecting props to AC power sources.
• Label props clearly for quick identification during setup.
• Train team members on proper handling and emergency shutdown procedures.
• Consider professional servicing for complex or high-value props annually.

By understanding the technical specifications and committing to regular maintenance, you can ensure your firework props deliver stunning visual effects safely and reliably for years to come. Whether used for stage performances, holiday events, or themed entertainment, well-maintained props enhance audience experience and protect your investment.

Frequently Asked Questions About Firework Props

Q1: Can firework props be used outdoors?

Yes, firework props are designed for both indoor and outdoor use, particularly in low-light or nighttime settings where their visual impact is maximized. Many models are built with weather-resistant materials such as durable plastics, sealed LED housings, and corrosion-resistant components, making them suitable for use in rain, wind, or humidity. However, it’s important to check the manufacturer’s specifications—while some props are fully waterproof or splash-proof, others may only be suitable for dry outdoor conditions. For prolonged outdoor events, consider using protective enclosures or canopies to extend the life of the device.

Q2: Are firework props safe for children to use?

Yes, many firework props are specifically engineered with child safety in mind. Unlike traditional fireworks, these props typically use LED lights, fiber optics, or cold-spark technology that produces minimal heat and no explosive elements. Their lightweight construction and insulated handles reduce the risk of burns or injuries. However, adult supervision is strongly recommended at all times. Parents should ensure that children follow usage instructions, avoid pointing props at people or flammable materials, and understand basic safety practices. These features make firework props an excellent alternative to real fireworks during family-friendly celebrations like birthdays, holidays, or school events.

Q3: How do firework props compare in cost to actual fireworks?

Firework props are generally much more cost-effective than traditional fireworks, especially when considering long-term use:

• One-Time Purchase: Most firework props are rechargeable or battery-powered and can be reused hundreds of times, eliminating the need for repeated purchases.
• No Regulatory Fees: Unlike real fireworks, which may require permits or special handling in many regions, props usually face no legal restrictions or associated costs.
• Lower Insurance & Safety Costs: Professional events using real fireworks must often pay for safety zones, fire marshals, and liability coverage—costs that are largely avoided with non-pyrotechnic alternatives.
• Maintenance: With minimal upkeep (such as cleaning lenses or replacing batteries), firework props offer a high return on investment over time.

While initial prices may vary based on complexity and brightness, the long-term savings and reusability make firework props a budget-friendly option for individuals and event organizers alike.

Q4: Can firework props be used for professional displays?

Absolutely. While firework props are commonly marketed for personal or recreational use, they are increasingly being adopted in professional entertainment settings. With proper synchronization hardware and control software, multiple units can be programmed to create coordinated light shows that mimic the visual drama of real fireworks—without the noise, smoke, or safety hazards.

They are ideal for:

• Indoor concerts, theater performances, and dance routines
• Corporate events and product launches in urban or restricted areas
• Venues with fire codes or environmental regulations that prohibit pyrotechnics
• Daytime events where traditional fireworks are invisible

When integrated with DMX controllers or wireless triggers, firework props can deliver precise timing and dynamic effects, making them a versatile tool for stage designers and event producers seeking safe, repeatable, and eco-friendly visual enhancements.

Q5: How do virtual firework props work?

Virtual firework props create realistic firework displays using digital projection and augmented reality (AR) technologies instead of physical components. These systems typically involve:

• Projection Mapping: High-lumen projectors beam animated firework sequences onto buildings, clouds, or screens, creating large-scale visual effects visible from great distances.
• Software Animation: Specialized programs generate lifelike explosions, color bursts, and trails using real-time rendering or pre-designed animations.
• AR Integration: Mobile apps or smart glasses can overlay virtual fireworks onto the real world, allowing users to experience personalized displays through their devices.
• Sound Synchronization: Audio cues are matched to visual effects to enhance realism, often controlled via a central media server.

These solutions are perfect for locations where physical props or explosives are banned—such as city centers, historical sites, or nature reserves. Virtual firework displays are completely safe, produce zero emissions, and can be customized for themes, logos, or music, offering a sustainable and innovative alternative to traditional pyrotechnics.