Adopt 850nm infrared LED illuminate and the infrared lights of 7 levels are adjustable according to the ambient light, give you a better using experience. With photo taking, video taking and playback function, the playback order is based on the taking mode. This product achieves 16X zoom, which is the perfect optical device to enhance human's visual senses, with this product, you can observe 500-1000m in complete dark environment. Wide applications: This night-vision device is very suitable for outdoor landscape observation, animal observation, outdoor hunting, travel and so on. It is a night-vision monocular which can be used to observe objects in the dark, low light and even during the day.