Clearly See in Darkness: The night vision binoculars feature an adjustable 850nm IR illuminator and All-Optical System allows you to see animals or plants clearly in darkness or dim ambient light. With 3 modes: taking photos, recording a video, and playback, you can capture high definition photos & videos with its outstanding optical clarity in the daytime, low light, or night time 3'' Large HD Display: Night vision goggles with a 3" TFT LCD screen, allowing you to view crystal-clear photos and videos. 25mm objective aperture and 8x digital zoom of view offer you more full field. Perfect for outdoor activities, night hunting, patrol detection, security and surveilla, camping, watching wildlife and scenery Full High 4K Video & 40MP Picture: Built-in a High-sensitivity CMOS Sensor that achieves 4K Full HD video resolution and 40 million pixels photos, which can make videos and photos look clearer and more vivid. Be it day or night, it helps you no longer miss the wonderful moments of Wildlife Rechargeable Lithium Battery: Built-in a Li-ion rechargeable cell of 2500mAh. The Infrared high-tech night vision binoculars feature an 850 NM infrared illuminator which allows you to view animals in pitch dark for 8hours or in daytime for 12 hours . They dont require any AA batteries. Save money & the environment