1Light 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. 2Infrared: 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. 3Straight 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 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. 5Use: 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.