【Extended Battery Life & Rapid Charging】Enjoy up to 70-hour runtime on low (ideal for 3-day camping trips) and 8-hour continuous use on medium brightness. With 40% faster charging than competitors, it fully powers up in 2.5 hours—perfect for hiking, night runs, or emergency work shifts. No more downtime anxiety. 【Smart One-Touch Control】Default medium brightness simplifies operation. The 3-second delay shutdown skips mode cycling, while gesture sensing enables hands-free activation (e.g., adjusting during rock climbing or construction work). Optimized for gloves and wet conditions. Easy to Operate. 【Military-Grade Durability】IPX6 waterproofing withstands torrential rains (200% stronger than IPX4, which only prevents splash water). ABS Hard shell + 2M drop-proof rubber passes 6.5ft/2m impact tests. Silver-plated heat dissipation extends LED lifespan by 50%—trusted by mountaineers and outdoor workers. 【Ergonomic All-Day Comfort】60° adjustable angle adapts to running/climbing postures. 440-lumen American CREEXPG-3 LEDs deliver shadow-free illumination. Weighing just 85 grams—about the weight of an egg—and equipped with a smooth, breathable strap, it ensures all-day comfort during long outdoor hikes and activities. 【Risk-Free Warranty】Includes portable charging cable + spare headband. 2-year no-questions-asked replacement covers non-human damage. Backed by 24/7 expert support and 30-day returns—confidence for campers, trail runners, and professionals. KLARUS found in 2011, is dedicated to development new technologies and had done numerous innovations in flashlight. Quality and Safety for our consumers is Klarus top priority.

Klarus HM1 Led Headlamp is a lightweight USB rechargeable headlamp, suitable for running, hiking, camping, jogging,work,exploring,climbing, hunting, fishing etc.
Model: HM1
Dimensions: 60mm(2.36”) × 41mm(1.61”) × 43mm(1.69”)
Lighting modes:Medium(Spotlight)/High(Spotlight)/Turbo(Spotlight+Floodlight)/High(Floodlight)/Low(Floodlight)
Material: PC
Battery Capacity: 1800mAh
Working Voltage: 2.5-5V
Waterproof: IPX6
Weight: 70g(2.47oz) (w/headband)

Output：
Turbo(Spotlight+ Floodlight) 440 lumens--2.5h
High(Spotlight) 330 lumens--3.7h
Medium(Spotlight) 100 lumens--8h
High(Floodlight) 120 lumens--7.7h
Low(Floodlight) 10 lumens--70h

Package List:
1 x HM1 Led Headlamp
1 x Headband
1 x Charging Cable
1 x User Manual
1 x Carring Case