Function ⭕ IR flashlight: IR flashlight is not an ordinary flashlight, no visible light, with the naked eye does not see any light, emits a lot of power hiding infrared 850nm, it is recommended to use together with night vision monocular and goggles. ⭕ Durable materials: aluminum alloy coating, anti-splash water, impact resistant, durable, easy to clean and wipe, copes with various harsh and complex outdoor conditions. ⭕ Simple operation mode: place battery, 1 switch mode, press tail switch, you can turn on the light. weak red light on the LED that the flashlight is on. ⭕ Lithium battery power: this night vision flashlight by 1 18650 lithium battery, long life, energy saving and environmentally friendly. Specification - Item Type: Infrared Flashlight - Material: aluminum alloy; - Weight: 130g/4,6 oz (approximately) Size: Shrinkage State: Okay. (135 x 30 x 25mm / 5.3 x 1.2 x 1 inch) Expansion status: Approx. (150 x 30 x 25mm / 5.9 x 1.2 x 1 inch) - Power battery: 1 section 18650 lithium battery (supplied without battery) Wavelength: 850nm - Light source: infrared light How to use: 1. Insert the battery and press the rear switch to turn on the light. 2. The infrared flashlight is not an ordinary LED flashlight (on the LED there is only a dim red light, which means that the flashlight is on). 3. List of packages 1 x Flashlight 1 x tail switch with cable