car rear view system

Camera Resolution: 420 TV Lines
Contrast Ratio: 250:1
Length of Cable Included: 15ft
Bluetooth: No
Built-In Speakers: Yes
Designated Installation: Dash and Window Mountable
Dimensions: 6.7"(W) X 0.5"(D) X 5.5"(4.5"+1.0")(H)
Dual Backup camera compatible: Yes
Installation Cables Included: Yes
Material: LCD
Monitor Type: LCD Monitor
Operating temperature: -40C to + 133C
Performance sensors: High sensitivity
Power Supply: 12 Volt DC
Quad screen: Yes
Remote control Included: Yes
Resolution: 1024X768
Screen Size: 7''
Storage temperature: -20C+65C
Type of Connection: RCA
Type of screen: LCD
Video game system Compatible: Yes

AGC Automatic
Contrast Ratio: 250:1
Electronic Shutter: 1/60 ~ 1/10,000 Second
Integrated sun shield: No
Backup camera connectivity: Wired
Backup camera style :License Plate
Camera Water Resistant: Yes
Camera White Balance: Automatic
Cameras Viewable Angle: 120° 
Circumference Camera 1''
Dimensions: 3.1" (L) X 1.5" (W) X 1.6" (H) And 6.7"(W) X 0.5"(D) X 5.5"(4.5"+1.0")(H)
Dual Backup camera compatible: Yes
Installation Cables Included: Yes
Internal Microphone: No
Mirrored Image: Yes
Night Vision: Yes
Night Vision Viewable: Distance 25ft
Operating temperature: -40C to + 133C
Power Supply :12 Volt DC
Quad Compatibility :Yes
Storage temperature: -20C+65C
Type of Connection: RCA
Type of lense: Cmos
Installation Cables Included: Yes
Material Hard: Plastic
Operating temperature: 0C to + 133C
Power Supply: 12 Volt DC
Remote control Included: No
Storage temperature: -20C+65C
Split screen Compatibility: Yes