... 2'' rear view monitor with touch buttons, 4 video inputs 10.2" rear view mirror monitor three potos at one time optionalDisplay mode: left 4.5", 5.6" , 7", 8.5 ... (full screen),8.5",7",5.6",4.5". Touch buttons /splitter built inside Power supply:DC12V anti-glare Rear view safety mirror,auto ... 0.9KG Water Proof Camera Features: Image device: 1/4-inch color CMOS TV system: PAL/NTSC Water-resistant rate: ...