JOYLIT Blue Light 365nm LED Flashlight Mini Focus Tactical Waterproof 3 Modes LED Torch Zoomable scalable for more than 150 yard light beam, long range Internal wiring applies constant current output, working range is wide, and can utilize the batteries in the largest extent Three modes with one button high light, middle light, low light, strobe and SOS light for your choice? Aluminum alloy casing and skid-proof design, feel more comfortable Power by 1 x 14500 Battery or AA Battery (not included)