... OSD functionMulti menu languagePower supply :DC 12V , Power consumption:≤7wDisplay mode:left 4.5”,5.6”,7”,8.5”,25:10(full ... for rearview camera and parking sensor ,automatically switch when revising. Power on : switches to rearview function when parking ,switch back ... to original display after parking .Power off : when car engine started , the display auto-switches ...