Clearly See in Total Darkness: The digital night vision binoculars have an 850nm IR illumination,which allow you to see animals or plants clearly in darkness or dim ambient light.You can take HD photos and videos in daylight, low light or at night with its outstanding optical clarity.You can also adjust the clarity of the picture by rotating the lens to see more widely and clearly. 3'' Large HD Display:The 4k night vision goggles have a 3" TFT LCD screen that allows you to view photos and videos clearly.The 4k night vision binoculars for adults have an 25 mm objective aperture and 20x digital zoom to give you a much wider and clearer field of view. which are perfect for outdoor activities, night hunting, patrol reconnaissance, security and surveillance,camping,night fishing,wildlife and landscape viewing. Full High 2K Video & 4K Picture: The infrared night vision goggles have a built-in a high-sensitivity CMOS sensor for 2K (1920*1080) Full HD videos resolution and 4k (3648*2736) pixels photos,which can make videos and photos much clearer and more vivid.Whether it's day or night, it will help you never miss any wonderful moment of wildlife again. Rechargeable Lithium Battery: The night vision binoculars have a built-in rechargeable lithium battery of 3000mah.The rechargeable battery dont require any additional AA batteries,which can help you save money and protect the environment from pollution.The night vision goggles for adults can run continuously for up to 5 hours with the IR illumination on and up to 8 hours without IR,which can make your outdoor activities last longer.It's no need to worry about running out of batteries.