Sensor 30W CMOS sensor Lens 120° wide-angle lens Sensor performance Support automatic white balance, automatic gain control, automatic backlight compensation Signal-to-noise ratio ≥41dB Night vision 2pcs 850nm 28Mil high power infrared lamps The best night vision distance is 1 meter, and the longest distance is 3 meters Video format JPG Video Size/Frame Rate 30W/7fps Recording method 1. Press the button to trigger the recording; Cloud storage graph 30 seconds (5 images) Battery type/capacity Polymer 803035/800MAH Battery discharge time Polymer battery sleep standby for 1 year WIFI connection 2.4GHz wifi, support (802.11 b/g/n) Ding Dong Support RF 433MHZ Ding Dong Storage Support cloud storage function (hardware without TF card function) 3 days free cycle cloud storage Working voltage Polymer 803035/3.7V Working current Working current 219mA, deep sleep current 10WA, infrared working current 280mA USB charging voltage DC 5V / 1.5A Storage temperature (℃) (0℃～50℃) Operating temperature (°C) Operating temperature: -10～50°C, operating humidity <95% Wake-up method 1. Doorbell button to wake up, APP access doorbell rules 1 master account + 8 shared accounts = 9 users can connect to the doorbell Only 3 users can preview the screen at the same time at a time, and only one user can talk to the doorbell at a time Use When guests come to visit, they can make video and voice calls, and make short-term video recordings. The owner can know the visitor information without opening the door Features Wireless connection, ultra-low power consumption, can support multiple accounts to watch online at the same time