The upgraded all-dark night vision monocle: the digital night vision monocle has an advanced non-luminous 850nm infrared illuminator, which can be clearly visible in 100% darkness, and the ultra-long visual range can reach 984 feet/300 meters. Level 7 adjustable infrared brightness can provide the best visibility at night. The higher the infrared light gear is adjusted, the farther and clearer the night vision distance is. 1.5 "video screen with video recording: digital night vision infrared monocular supports real-time photos, video (non video) and playback functions. Video/pictures can be transferred to the computer via additional data cable or SD card for viewing and sharing Zoom in: It's easy to see the distance of 984 feet The monocular night vision instrument uses a full multi-layer 25mm objective lens and enhanced 3x optical zoom technology to help you quickly focus on distant objects; 4x digital zoom helps you see every detail of the target in the dark