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: 8.00X4.50X2.50cm/3.14X1.77X0.98in -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.Package list: 1 x Wireless Video Doorbell 1 x USB Cable