Z20 Wifi Video Doorbell Mini Wirele Home Security Protection Intercom Two-way Audio Photo Recording Long Standby Doorbell Description: Product Name: DoorbellMain 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: 2 850nm28mil high-power infrared lights;Night vision distance: 1 meter is the best, the longest distance is 3 meters;Video format: JPG;Video size/frame rate: 480P/7fps;Recording method: 1. Pre the button to start recording;Cloud storage map: 5 seconds (5 pictures);Battery type/capacity: polymer 803035/800MAH;Battery discharge time: polymer battery standby for 1 year;Network protocol: TCP/IP/ /TCP/UDP/DHCP/DNS/DDNS/NTP/RTP/P2P;WIFI connection: 2.4GHz wifi, support (802.11 b/g/n);Ding Dong: Support RF 433MHZ Ding Dong;Storage: Support cloud storage function (no TF card function), 3 days free circulation "cloud storage";Working voltage: polymer 803035/3.7V;Working current: 219mA working current, 10mA deep sleep current, 280mA open infrared working current;USB charging voltage: DC 5V / 1.5A;Storage temperature (): (0~50);Working temperature (): -1050, working humidity <95%;Activation method: 1. The doorbell button is activated;APP acce rules: 1 main account + 8 shared accounts = 9 users can connect to the doorbell, only 3 users can preview the screen at the same time, and only one user can talk to the doorbell at a time"Purpose: Guests can make video calls and short-term video recordings. The host can know the visitor's information without opening the door; Feature: 1. The doorbell can be controlled by APP and is smart and wearable. Portable size and weight, easy installation and disaembly.2. Night vision function: Equipped with infrared night vision, which can be automatically turned on at night. Wirele connection, ultra-low power consumption, can support multiple accounts to watch online at the same time.3. Purpose: Guests can make video and voice calls. The host can get information from the visitor without opening the door. Packing list: 1 x doorbell1 x Ding Dong machine1 x package acceories1 x instructions1 x packing box Note: 1. Due to manual measurement, please allow 1-3cm error. Make sure you don't mind before bidding.2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks.