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. With photo taking, video taking and playback function, the playback order is based on the taking mode. Wide applications: This night-vision device is very suitable for outdoor landscape observation, animal observation, outdoor hunting, travel and so on. 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. It is a night-vision monocular which can be used to observe objects in the dark, low light and even during the day.