Features 1、Light Pink Light Source: The light source detected by the mobile phone camera is light pink, which can detect whether the infrared flashlight is working normally or distinguish the 850 band. 2、Infrared: The infrared flashlight emits infrared light that is not visible to the naked eye, which is not a white LED flashlight for ordinary lighting, and you will not see any light with the naked eye. 3、Straight Barrel Design: The appearance of the flashlight adopts a straight barrel shape, which is comfortable to hold and can be controlled with one hand, and the operation is simple and convenient. 4、High Quality Material: The night vision flashlight is made of aluminum alloy, which is sturdy and durable, with stable performance, infrared light range: 5‑10 meters, and an average lifespan of 10,000 hours. 5、Use: Infrared light emits 850nm wavelength, it needs to be used with night vision goggles, night vision goggles, infrared cameras, NVS, camera phones, monoculars, goggles, hunting animals, adventure, and observation. Specifications Item Type: Flashlight Material: Aluminum Alloy Size: Lamp Diameter: Approx. 4.5cm/1.8in Light Tail Diameter: Approx. 2.4cm/0.9in Length: Approx. 14.8cm/5.8in Bulb: 850nm LED Infrared Light Range: Approx. 5-10m/16.4-32.8ft Lifespan: Average 10000 Hours Mode: Always Bright Mode Battery: 1 x 18650 Battery (Not Included) Gross Weight: Approx. 125g/4.4oz Description: The LED chip of this flashlight will turn red when illuminated, but the beam needs to be detected by a night vision device or a non infrared filter. Focusing infrared flashlight 850nm, night vision instrument camera fill light monitoring light source fill light In order to avoid power consumption for a long time due to unknown power supply, it is recommended to take out the battery when not in use Package List 1 x Flashlight