Amazon.com: Wireless IP Video Doorbell Intercom System, WiFi 7 Inch 7 Inch Video Intercom System with IR Cut Camera Oman Ubuy Amazon.com : AMOCAM 8 Units Apartment Intercom Wired 7 Inch Monitor Amazon.com: Wireless Video Doorbell Intercom System 2 Units 10 Inches TMEZON WiFi Video Door Phone,Wireless Video Intercom Kit , Video. 7 Inch IP Video Door Phone Doorbell Intercom Entry System with 2 Monitor +1 IR Camera Night Vision 420 TVLine Support Remote unlocking Handfree. Specifications Mainly describes Kit Configuration: One to Two video doorphone Additional features: Photographed Product Dimensions (cm): 30. 0*19. 0*12. 0 Connection: Wired Special selected products: COD Net Weight (kg): 1. 7 Outdoor Unit Material: ABS Sensor Size: 1 3 Inch *Lens (mm): 3. 6 Minimum Illumination (Lux): 10 Viewing Angle (): 92 Screen Resolution: 420TVLine Sensor Type: CMOS IR Distance (m): 1 6 Indoor Unit Talk Time (H): 120 Operation Voltage (V): 15 Installation: Wall Mounting Answering mode: Hands free Suitable For Phone Size (inch): 7 Monitoring Time (s): 60 Working Temperature(C): 20 60 Power Consumption (W): 6 What's in the box What's in the box: 1*Outdoor Unit, 4 5m Testing Cable, Wall Brack, 4 5 Core Wires, 1 x User Manual English, Screw package,2*Indoor Unit