1.7 Inch
2.Waterproof

Detailed Product Description
Car Rear-view System
With 7'' Color LCD Monitor
With Waterproof CCD Camera

Mobile Rear-View System:

Features for the monitor:

7-inch(16:9)color LCD monitor with built-in quad
Single, dual, triple, and quad image and PIP functions available 
Two Video ,One Audio inputs,  and One video output
The display effect, volume and mirror function for each camera can be separately set up
Contrast Ratio:300:1
Brightness:250cd/m2
Compression:480*234
Language :Chinese/English
Power Supply:DC12V,5W 
Video Standard: PAL/NTSC
New style, multiple functions, easy installation, and convenient operation

Features for the camera:

Waterproof and weather resistant housing for outdoor use
Nightvision available, day/night sensor for automatic adjustment
IR distance: 5-15m
Infrared LED light: 18pcs
Mirror/normal image switch
Distance label selectable to be open or closed