7 inch car quad split monitor

screen:7 inch brand new analog panel( 16:9 and 4:3)
resolution: 480 (RGB)*234 pixel
system:pal/ntsc
brightness:450cd/m2
contrast:450:1
video:four way video input,
rearview function: with reversing signal, switch to the reverse image automatically
special function:with sunshade
Power supply:DC12V (DC24 optional)