Description Are you looking for a professional and practical doorbell? If so, check out our updated wireless video doorbell. It has applicable functions such as instant notification, two-way audio, video call, support for playback, visitor capture, etc., to meet the needs of different users.Features-Color: Black-Material: ABS+electronic components-Size: About 9.00X8.00X3.00cm/3.54X3.14X1.18in-Master control: XR872-Memory: 32Mb flash-Sensor: 30W GC0328 CMOS sensor-Lens: 100 wide-angle lens -Sensor performance: Support automatic white balance, automatic gain control, automatic backlight compensation-Signal-to-noise ratio: 41dB -Minimum illumination: 0.8Lux/F1.4 (color mode), 0.3Lux/F1.4 (black and white mode)-Night-vision: 2pcs 850nm 28Mil high power infrared lamps -Video format: JPG-Video size/frame rate: 480P/7fps-Recording method: button trigger recording, cloud storage-Battery type/capacity: Polymer 803035/800MaH-WIFI connection: 2.4GHz wifi, support (802.11 b/g/n)-Storage: Support cloud storage function-Working voltage: Polymer 803035/3.7V-Working current: Working current 219mA, deep sleep current 10mA, infrared working current 280mA-USB charging voltage: DC 5V / 1.5A-Wireless connection, ultra-low power consumption, can support multiple accounts to watch online at the same time.-The smart doorbell app supports multiple family members, just share information with family members in the app.-With night visible function, visitors can be seen clearly even at night, providing maximum protection.-When guests visit, they can make video and voice calls and make short-term video recordings.-The wifi doorbell is suitable for use in homes, dormitories, apartments, offices, etc., providing convenience and protection.Packing list: 1 x Wireless Video Doorbell 1 x USB Cable