9" inch Rear View Quad Monitor(Non-detachable sunshade)
Resolution: 800*R.G.B*480 Brightness：300-350cd/m2
View angle::L/R 70°,UP:50°,down: 70° degree
4 ways Trig function， （1way audio input ，optional)
Full image/2 images/3images/4 images adjustable 
4 ways Trig Trigger priority:V2>V1>V3>V4
Reference point and time control for reverse gear setting 
Power supply:DC 9V-36Vinput，12V output
4pin connector
with 4pcs bus/truck camera  ( CCD420TVL，120 degree view angle )
High resolution camera
standard setting with 20 M  4 PIN lock connector  extension cable 
5M/10/15M extend cable with 4 PIN lock connector ( optional )