Observation distance during the day: 0.5 meters infinity viewing. Night vision distance: about 600 meters. Photo resolution:40MP 30MP 25MP 20MP 10MP 8MP 5MP 3MP. Built-in 1.28-inch OLED dual circular high-definition display screen (screen resolution: 416416). 5x lens magnification, 8x digital zoom. 3500MAH Built-in lithium battery. Infrared light: 3W 850nm strong infrared spotlight. World’s first backlit buttons [can manually set whether backlight mode is needed]. Capture photos/videos during observation. World’s first built-in OLED circular screen, with clear and delicate image, rich colors. Built-in microphone and speaker for recording and playback. Head-mounted night vision device. Hunting, reconnaissance, security and surveillance, camping fun, exploring caves, night fishing and boating, wildlife observation, lighting, security and photography, etc. F1.0 large aperture, f=25mm. 1.28-inch dual circular screen. Day/Low Light/Night (3 modes). 3 levels (can be customized to 7 levels). 1-600m (varies depending on target and environment). Other Power Supplies Supported. Powerbank, DC, car charger, etc. Yes (red light during charging, jade green when fully charged). Yes (can be set on/off) blue light. Yes (can be set on/off) adjustable volume. Supported (1/4 inch screw). Yes (steady on, strobe modes). Communication is always the best way to solve problems. We will be grateful for that.