SY819FC11 7 Inches HD Doorbell Camera Video Intercom Door Phone System

Aluminum alloy panel of indoor unit, fashionable and luxury. 
Outdoor unit is oxidation-proof with durable aluminum alloy.
7 inches color TFT LCD without radiation, low power consumption and high definition. 
IR Camera with night vision. 
Electric lock-control function. 
Hand-free intercom. 
Mute indoor intercom function. 
Monitoring the outside of the door. 
Volume, brightness and contrast are adjustable. 
Easy installation by yourself with adapter and cable we provide in this kit.

Specifications:
Outdoor Camera
Camera: 1/4 inch CMOS
Min. illumination: 0.5Lux
Adapter input: AC100 - 240V, 50 / 60Hz
Adapter output: DC15V / 1.2A
Wires for lock-camera connection
Working temperature: -20 - 50 Deg.C
Installation: Wall mounted
Material: ABS plastic and aluminum alloy

Monitor
Screen: 7 inches TFT / LCD
Power source: AC100V - 240V / 50 - 60Hz
Effective pixels: 480 x 234 x 30
Power: 14W ( operation ), 2W ( standby )
Wiring: 4 wires

More details and buying link here  (use coupon code: "GB16SALE" )