7inch rearview monitor with muti-function, such as FM,SD,USB,MP5,BT competitve price, good quality, supply stability. Specification: Model SJ-738 Piexl 480*(3RGB)*234 Adjustable display 16: 9 /4: 3 Color black Menu OSD multi-language Video input V1 and V2 Voltage 12V Power 7w Warranty 1 year Function:1) Blue screen function when no signal 2) OSD menu 3) Brightness, color, tint control4) 16: 9 /4: ...