Underwater Kinetics – Black 3AAA Vizion eLED Headlamp: Model UK-17019 Waterproof design for all weather use. Three selectable beam patterns – Spot, Diffuse and Red Diffuse. High and low power settings. Advanced Compound Path Optics (CPO) focus the beam. Large push button control switch works with heavy gloves. Uses three alkaline or lithium AAA cells. Energy conservation design transfers heat back into batteries for longer burn time and improved cold weather performance. LED lamp module can be removed from head mount for use as camp light. Rotating beam angle adjustment knob. Extra wide woven head band for comfort. High impact ABS, LEXAN®, polyurethane rubber, and stainless steel construction for durability. Made in the USA