Quad Car Monitor 360 Degree Camera System with sun shieldMain features:Detachable sunvisor shroud OSD menu,Website:http://www.vehiclecardvr.com,7 language adjustablePAL/NTSC adjustablePower requirementTrigger priority: CAM 1>CAM 2>CAM 3>CAM 4 Signal dual quad view  adjustableConvenient operation4 trigger lines,Fast switching when triggering, once the trigger line is activated, the picture switch to the triggered line automatic.7 languages for choose: English/French/German/Spanish/Portulish/Italian/Polish selectable4 video inputs (aviation plug)High-low voltage protection & short circuit protectionWide view angle: 40/40/60/60 Resolution:800 x RGB x 480 Power requirement: DC 10~30 V Picture image is adjustable to mirror ,non-mirror ,vertical or horizontal.7 inch and 9 inch OptionalModelV903Qscreen16:9Wide view angle(up/down/left/right): 40/40/60/60Resolution800 R.G.B x480 dotsPower requirementDC 10~30 VVessel monitoring systemAfter equipped with waterproof cameras, then the system can provides clear vision of the back of ships.