7in Wired Doorbell HD 1V2 TFTLCD Display Video Intercom Monitor Rainproof for Home Security Item Type: Wired Doorbell Material: ABS Plastic + Zinc AlloyThe Indoor Unit: Display: TFT-LCD 7in Resolution: 800 x 480 Output: DC15V / 1.2A Power Consumption: Standby ≤ 1W, Working ≤ 10W Ringtones: 25 Polyphonic Music The Outdoor Unit: Function Introduction: Visual Intercom, Remote Unlocking, Night Vision, Surveillance, Rainproof Camera: 700-Line CMOS Color Digital High-Definition Camera Power Consumption: Standby ≤ 1W, Working ≤ 2W Night Vision: 5 LED Infrared Night Vision Lights The Best Distance for Night Vision: Approx. 0.2-1.2m / 7.9 x 47.2in Card Capacity: 500 Card Type: 125KHZ ID Card Camera Angle: 90° Working Temperature: -20-60℃ How e: 1. Connect the Outdoor Unit to the Power Supply 2. Connect the Outdoor Unit and the Indoor Unit Through Two Network Cables and Terminal Lines 3. You Can Watch Outside the Door on the Indoor Unit