1: BRIGHT ILLUMINATION: Powerful CREE LED provides 3 lighting modes up to 600 lumens for optimal brightness whether hiking trails or camping in the dark2: AUTOMATIC FUNCTION: Motion sensor detects movement within 10 feet and automatically turns on light for hands-free use during activities like fishing or repair work3: LONG BATTERY LIFE: Rechargeable lithium-ion battery supports up to 50 hours of continuous use on low mode and recharges quickly via included USB-C charging cable4: DURABLE CONSTRUCTION: Fully waterproof headlamp withstands rain, sweat, or submersion in water and features an impact-resistant casing for reliability in rugged conditions5: COMFORTABLE FIT: Adjustable elastic strap and lightweight design allows for comfortable wear and a custom fit whether worn as a headlamp or clipped to clothing during various outdoor activities