Tuya Wifi Smart Doorbell App Remote Control Doorbell Ultra Wide Angle Lens Mini Portable Wifi Visual Doorbell Smart Home Tuya<br> Lens: 100 wide-angle lens<br> Sensor performance: support automatic white balance, automatic gain control, automatic backlight compensation<br> Signal to noise ratio: 41dB<br> Minimum illumination: 0.8Lux/F1.4 (color mode), 0.3Lux/F1.4 (black and white mode)<br> Night vision: two 850nm 28Mil high-power infrared lamp<br> Night vision distance: 1m is the best, and the longest distance is<br> Video format: JPG<br> Video size/frame rate: 30W/7fps<br> Recording mode: 1. Press the key to trigger recording;<br> Cloud storage image: 5 seconds (5 pictures)<br> Battery type/capacity: polymer 803,035/800MAH<br> Battery discharge time: polymer battery is dormant for 1 year<br> Network protocol: TCP/IP/HTTP/TCP/UDP/DHCP/DNS/DNS/NTP/RTP/P2P<br> WIFI connection: 2.4GHz wifi, supporting (802.11 b/g/n)<br> Dingdong: support RF 433MHZ Dingdong<br> Storage: "Support cloud storage function (hardware without TF card function)<br> 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<br> Working voltage: polymer 803035/3.7V<br> Operating current: operating current 219mA, deep sleep current 10WA, open infrared operating current 280mA<br> USB charging voltage: DC 5V/1.5A<br> S