Water Resistance | Water sports, emergency flood scenarios | IPX4 (splash-proof) vs IP67 ▲ (dust-tight, submersible 1m) vs IP68 ▲▲ (submersible 3m) | Survives accidental submersion; ideal for boating or swimming emergencies. | Advanced models may have bulkier designs for deeper submersion. |
Battery & Charging | Off-grid camping, long expeditions | Non-rechargeable (alkaline) vs Rechargeable Li-ion ▲ (USB) vs Solar+Li-ion ▲▲ (dual charging) | Eliminates battery replacement costs; solar charging for remote areas. | Solar charging slower; requires sunlight for Advanced models. |
Light Output (Lumens) | Search and rescue, large-area lighting | 100–200 lm (Industry) vs 300 lm ▲ (Base) vs 500+ lm ▲▲ (Advanced) | Advanced models provide brighter beams for better visibility in darkness. | Higher lumens drain power faster, reducing runtime. |
Color Temperature | Night navigation, reading | 3000–4000K (warm) vs 6000K ▲ (daylight, consistent with natural light) | Daylight white (6000K) reduces eye strain and improves detail clarity. | May cast harsh glare in low-light environments. |
Runtime | Overnight camping, emergency use | 8 hours (Industry) vs 15 hours ▲ (Base) vs 24+ hours ▲▲ (Advanced) | Extended runtime for prolonged use during emergencies or overnight trips. | Larger batteries may add weight to Advanced models. |
Weight & Portability | Hiking, backpacking | 250g+ (Industry) vs 200g ▲ (aluminum Base) vs 180g ▲▲ (lightweight alloy Advanced) | Advanced models are lighter for easier carrying; Base balances durability. | Lightweight materials may increase cost. |
Light Modes & Features | Tactical use, signaling | 2–3 modes (high/low) vs 4 modes ▲ (high/med/low/strobe) vs 5+ modes ▲▲ (SOS/red light) | Advanced models offer SOS signals and red light for discreet use. | More modes may complicate interface for non-technical users. |