Not only is the Vizion waterproof for all-weather use. Proprietary compound path optics permit high efficiency and lightweight, making it ideal for extended, comfortable use. Thermal Recovery System recycles heat from the LED for improved performance in low temps. 3 selectable beam patterns and a large push button control switch works with heavy gloves. LED lamp module can be removed from mounting strap for use as a portable work light. Proudly made in the USA. • Bulb: LED • Burn Time: 150 Hours • Carry System: N/A • Finish: Eco Green • Material: ABS • Output (lumens): 34 • Power Source: 3 x AAA • Special Features: 3 beam patterns • Submersible: 33 Feet