Features: The device is a Night instrument for observing objects in dark or low light. There is no limit to the observation distance in low light, and it can reach 300meters in dark Equipped with a USB port and 32G memory card slot, it supports firmware updates and storage. Fully functional, this color screen can be used normally during day and at night, with functions such as taking pictures, filming, playback and up to 6 electronic zooming. This device is the best aid for human Night extension. It can be used for animal observation, and various other outdoor activity. Specifications: Electronic Zooming: 6 Objective lens: 25mm Screen: 3inch color screen Low light or daytime observation distance: 2m-∞ Full-black observation distance: to 300m/984ft Recording resolution: 4K (3840x2160) / 2K (2560x1440) / 1080FHD (1920x1080) / 720P (1280x720) / VGA (640x480) / QVGA (320x240) Camera Resolution 36MP/32MP/30MP/24MP/20MP/16MP/12MP/10MP/8MP/5MP/3MP/VGA Infraredly light: 850nm LCD brightness adjustment: high, medium, low level Light source frequency: 50HZ/60HZ Storage: 32G memory card Slot Language setting: Multiple Voltages: 3.7V Power: 18650 battery Charging: 5V1A TypeC Size: about 136x153x56mm/5.35x6.02x2.2inch Package Includes: 1PC NVS-40 Binocular Night Device note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.