Wired WIFI Video Doorphone with 2pcs 7in Monitor APP Remote Control for TUYA Item Type: Video Doorbell Material: ABS Application: For apartment, villa, hotel, office, public building Outdoor Machine: Power Supply: Powered by the indoor monitor, if it is a digitally controlled electric door lock, please connect one more to the power supply (not included). Camera: AHD/CVBS LED: 850nm IR LED Power: Standby: 2W, Unlock: 12W Night Vision Distance: Approx. 3m/9.8ft Effective Distance: Approx. 100m/328ft (4x0.75mm²) Camera Angle: 92° Working Temperature: -10 to 50℃ Indoor Monitor: LCD Display: 7in TFT 1024x600 Effective Area: Approx. 154.08(H)x86.58(V)mm/6.1x3.4in Power: Standby: 3W, Unlock: 8W Button: Multi-point capacitive touch screen Talk Time Delay: 60s±10% Monitoring Delay: 60s±10% Indoor Monitoring Function: Automatic photo, visitor recording Storage: Maximum support 32G memory card (not included) APP Users: Supports up to 5 users Working Temperature: -10 to 50℃ Languages: English, Russian, French, Spanish, German and Chinese.