Feature:1. RETRACTABLE ZOOM: The flashlight has IR light with a wavelength of 850nm, which can make the item clearly visible in the dark night. It needs to be equipped with night vision goggles, camera, mobile phone, goggles and a camera that does not block infrared light as auxiliary fill light.2. ALUMINUM ALLOY MATERIAL: The flashlight is an aluminum alloy shell, which has good wear resistance and rust resistance, and is not easy to damage the internal components.3. NO VISIBLE LIGHT: The light emitted by our flashlight is light with extremely high power, and no light can be seen by the eye.4. BATTERY POWERED: Our flashlight is powered by 18650 Lithium battery or AAA battery(not included), long lasting battery life, energy saving and environmental protection.5. FOR OUTDOOR USE: The flashlight can be waterproof, easy to , and can cope with a variety of harsh and complex outdoor environments.How to Use:1. Insert the battery(not included) and press the tail switch to turn on the light2. The IR flashlight is not an ordinary LED flashlight (there is only a faint red light on the LED, which means the flashlight is on)3. Use with night vision goggles, cameras, mobile phones, monoculars, goggles and cameras that do not block infrared lightSpecification:Item Type: IR FlashlightMaterial: Aluminum alloyProduct Size:Shrinked State: Approx. 135 x 35 x 30mm / 5.3 x 1.4 x 1.2inStretched State: Approx. 155 x 35 x 30mm / 6.1 x 1.4 x 1.2inPower Supply Battery: 1 x 18650 lithium battery or 3 x AAA batteries (excluded