Invisible infrared light 5W T20 is NOT an ordinary flashlight with white LED for general lighting purposes. Using a black 850nm infrared LED emitter, low thermal resistance and over 5 watts of optical power. . Attention: You will not see any light with your naked eyes (only a small and faint red glow on the LED to show you that the torch is on). Long range lighting T20 can produce a powerful punch with a range of about 50-150 meters (about 165 meters) with a focused beam. Thanks to the latest chip technology, integrated lens and excellent housing, lifespans of up to 50,000 hours are easily attainable. Please check that the camera equipment you are using is compatible before purchasing.Compact and Advanced Design 850nm infrared flashlight body made of aircraft aluminum alloy, using 38mm optical convex lens, allows better focus for condenser spotlight or backlight for flood effect. It has anti-slip and waterproof design, which helps you have a better hunting night.Only be powered by 18650 battery, NEVER USE CR123A: With 3.7-4.2V working voltage, the T20 is powered by 1 x 18650 Li-Ion rechargeable battery. The T20 can not be powered by 2 x CR123A batteries, because 2 x CR123A with 6V voltage will burn the control board (18650 battery is NOT included in the package).For Night Vision and Hunting The professional IR infrared torch is equipped with advanced OSRAM infrared LED with high output and low thermal resistance, which helps you have a better night vision. Spot light 150-200 meters, flood light 50-100 meters. Enjoy your shooting coyotes fox hog wild pig varmint predator deer.