This product achieves 4X digital zoom and 5X optical magnification,which is the perfect optical device to enhance human's visual senses. Can be handheld as a monocular night vision device or as a night vision sight, fits 11-20mm rails, can be mounted on rails,or mounted on the composite bow with a bracket With video taking and playback function, the playback order is based on the taking mode.Takes photos with up to 48 MP pixels Adopt 850nm infrared LED illuminate and the infrared lights of are adjustable according to the ambient light, give you a better using experience.you can observe 300m in complete dark environment. Wide applications: This night-vision device is very suitable for outdoor landscape observation, animal observation, outdoor huntings, travel and so on.