Alarm Sound Level | Emergency alerts, self-defense | Industry Standard: 110 dB (OSHA compliance) Our Base: 115 dB ▲ Our Advanced: 120 dB ▲▲ | Louder alerts deter threats (Base: "Loud enough for 50m visibility" Advanced: "Exceeds police whistle standards") | Prolonged exposure may cause hearing damage (120 dB ▲▲: "Use at ≥1m distance") |
LED Flashlight Brightness | Night navigation, emergency signaling | Industry Standard: 100 lumens (IEC 60598) Our Base: 150 lumens ▲ Our Advanced: 200 lumens ▲▲ | Enhanced visibility in darkness (Advanced: "Illuminates 30m paths") | Higher brightness drains battery faster (Advanced: "50% shorter runtime") |
Whistle Decibel | Outdoor emergencies, crowd alerts | Industry Standard: 100 dB (ANSI Z87.1) Our Base: 105 dB ▲ Our Advanced: 110 dB ▲▲ | Penetrates noise in chaotic environments (Advanced: "Audible up to 1km") | May not work in extreme wind conditions (Base: "Effective up to 30mph winds") |
Battery Life | Daily carry, long-term use | Industry Standard: 1 year (IEC 60099) Our Base: 1.5 years ▲ Our Advanced: 2 years ▲▲ | Reduced replacement frequency (Advanced: "Meets military-grade durability") | Requires manual battery replacement (Base: "Standard CR2032 battery") |
Material Durability | Outdoor activities, rugged use | Industry Standard: ABS plastic (ASTM D4329) Our Base: ABS + UV coating ▲ Our Advanced: Reinforced ABS + IP67 waterproofing ▲▲ | Resists scratches and water submersion (Advanced: "Survives 1m water depth for 30min") | Heavier design in Advanced tier (Base: "35g lightweight" Advanced: "45g") |
Customization Solution | Identification, personal branding | Industry Standard: Pre-printed labels Our Base: Removable adhesive labels ▲ Our Advanced: Engraved stainless steel plate ▲▲ | Permanent ID for lost items (Advanced: "Corrosion-resistant engraving") | Limited customization options for Base tier (Base: "Max 10-character text") |