Function: 1. Aluminum alloy housing: The infrared flashlight adopts aluminum alloy coating, which is wear-resistant, pressure-resistant, anti-oxidation and non-corrosive. 2. Pin Buckle: The infrared flashlight has a shockproof, non-slip design with a pin buckle that can be easily inserted into your backpack, pocket, does not take up space and is not easy to lose. 3. 850nm wavelength: IR flashlight can emit invisible infrared light with high power of 850nm. It is recommended to use with night vision equipment instead of ordinary cameras. 4. LED: Our infrared flashlight uses advanced infrared LED, which provides better night vision, and also has high efficiency and low thermal resistance. 5. Subject: The night vision flashlight is non-slip and waterproof and suitable for night activities, suitable for camping, night fishing, night flying, sailing, cave and hunting, etc. Specification: Item Type: Night Vision Flashlight Material: Aluminum Alloy Gross weight: 110 g/3,9 oz Product Size: Body Length: 130mm/5,1 inch, Head Diameter 30mm/1,1 inch, Tail Diameter: 25mm/0,98 inch Power battery: 1 pc. Light Source: IR Infrared Light Wavelength: 850nm How to use: 1. Insert the battery and press the rear switch to turn on the light. 2. The IR flashlight is no ordinary LED flashlight. The LED only lights up with a dim red light, which means the flashlight is on. 3. List of packages: 1 x Infrared Flashlight (Battery Not Included)