Outdoor UF-T20 Cree Infrared IR 850nm Night Vision Zoom Led Flashlight Lamp : The T20 IR (Night Hunter Series) is an infrared light night vision torch suitable for night vision devices using an 850nm wavelength. The T20 is an high power LED torch with adjustable focus especially designed for hunting.Lamp base: Black IR 850nm. With a lifespan of up to 100,000 hours or more, no need to consider replacing the cap for the whole life. Hard press the tail switch until it clicks (Complete press) to activate the torch.Hard press(Complete press) gain until it click to turn the light off. Specification : Model: UF-T20 LED:IR 850nm Material: Aircraft aluminum alloy Battery:1 x 18650 rechargeable battery(without battery) Batteries Input voltage: 3.7-4.2V Lens: 38mm Aspherical Lens Waterproof: Splash proof only Dimension: Bezel diameter 45mm, body diameter 25mm, Overall length 147.5mm Weight: 170g Operation Temperature: -25 degrees Celsius up to 50 degrees Celsius Package Including: 1 x Flashlight