Designed for professional diver, underwater archaeologists, rescuing teams, and outdoor enthusiasts seeking lighting in extreme conditions Crafted from aerospace grade aluminum with heat dissipation, this small underwater flashlight ensures and extended runtimes during critical missions Features a control rings for effortless handed operations, three adjustable brightness modes, and a USB C port for internal charging Perfect for diving, cave exploration, night fishing, or outdoor adventures like hiking and survival scenarios requiring waterproof durability Professional dive flashlight delivers 2300lumens of bright illuminations with waterproof rating, ideal for sea exploration and low visibility underwater environment