Tuya Wifi Smart Doorbell App Remote Control Doorbell Ultra Wide Angle Lens Mini Portable Wifi Visual Doorbell Smart Home Tuya Description: 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: two 850nm 28Mil high-power infrared lamp Night vision distance: 1m is the best, and the longest distance is Video format: JPG Video size/frame rate: 30W/7fps Recording mode: 1. Press the key to trigger recording; Cloud storage image: 5 seconds (5 pictures) Battery type/capacity: polymer 803,035/800MAH Battery discharge time: polymer battery is dormant for 1 year Network protocol: TCP/IP/HTTP/TCP/UDP/DHCP/DNS/DNS/NTP/RTP/P2P WIFI connection: 2.4GHz wifi, supporting (802.11 b/g/n) Dingdong: support RF 433MHZ Dingdong Storage: "Support cloud storage function (hardware without TF card function) Click the free 90 day trial to automatically charge the customer. If the customer can cancel within 90 days, the fee will not be deducted Working voltage: polymer 803035/3.7V Operating current: operating current 219mA, deep sleep current 10WA, open infrared operating current 280mA USB charging voltage: DC 5V/1.5A S