This device is a high-definition (4K) digital night vision scope, often used for hunting, surveillance, or outdoor activities in low-light conditions or complete darkness. 4K Resolution: Provides very high quality for recording video and capturing photos during night and day. Technical Features: It has infrared (IR) technology to provide clear vision in complete darkness, and supports 4K video recording. How to Use: It can be used as a handheld scope or mounted on a helmet, and usually comes with a hard case for storage and protection. Operation: Features a built-in rechargeable battery (e.g., 3000mAh battery) and internal displays for viewing images. Built-in Tactical Flashlight and Infrared (IR): Contains a multi-level infrared system (e.g., 850nm wavelength) for perfectly clear vision even in complete darkness. Lens Design: Comes with a single front lens aperture and a comfortable dual eyepiece at the back surrounded by silicone to provide a comfortable viewing experience and complete isolation from external light. For Sale..