7in Wired Video Door Phone Password Card 3 Monitors for TUYA Wifi APP Remote IC Access Control System Item Type: Video Doorphone Material: ABS Usage: Can be used for apartment, villa, hotel, office, public building video doorbell Doorbell Parameters Power Supply: Powered by the indoor monitor, if it is a digitally controlled electric door lock. Please connect one more power supply Camera: AHD/CVBS LED: 850nm IR LED Power Consumption: Standby 2W, Unlock 12W Night Vision Distance: Approx. 3m/3.28yd Effective Distance: Approx. 100m/109yd (4x0.75mm²) Angle: 92° Working Temperature: -10-50℃ Doorbell Size: Approx. 155x95x55mm/6.1x3.7x2.2in Monitor Parameters Power Supply: DC 15V/2A LCD: 7in TFT 1024x600 Effective Area: Standby 3W, Unlock 8W Touch: Multi-Point Capacitive Touch Screen Talk Time Delay: 60s±10% Monitoring Time Delay: 60s±10% Indoor Monitoring Function: Automatic Photo, Visitor Record Memory: Maximum Support 32G memory Card (not include) APP: Support Up to 5 Users Working Temperature: -10-50℃ Monitor Size: Approx. 209x133x18mm/8.2x5.2x0.7inConnecting Line: Approx. 5m/5.47yd Remote Control Battery Type: 27A/12V dry battery x 1 (not include)