Day and night use: This night vision device can be used to observe objects in darkness and insufficient light. The viewing distance in a weak light environment will be 3.0 meters to in-finity, and the viewing distance in a fully dark environment will be 200 to 800 meters. Portable size: The small size of this tool is very convenient for daily use and sharing with your friends or family. Widely used: This night vision instrument is very suitable for outdoor landscape observation, animal observation, outdoor , travel, etc. 3-inch TFT screen: The screen of this night vision device is a 3-inch TFT display, which allows for clearer viewing of images on a large screen. Using 3W infrared light and 850nm lighting, Level 7 infrared light can be adjusted according to the ambient light, giving you a better use experience.