Usually mounted inverted on the inside of a vehicles roof of motorhomes, caravans, horse floats, buses, etc where you need to monitor what is happening inside, or can be mounted to see through the rear window for reversing.As the camera is alluminium bodied & waterproof, it can be underslung mounted externally. MC6DWP = PAL TV systemMC6DWN = NTSC TV system Water resistant rating IP67Images Sensors 1/3in CCD COLOUR (HQi)Effective Pixels 638X582/512X492Sensing Area(mm) 4.9X3.7Resolution (TV Lines) 420S/N ratio : Better than 48dBLens: F=2.8mm/F=2.0Lens Angle(Deg.):12Current Consumption(mA):280Power Supply(DCV) 12Dimension: 68X55mmRequires camera cable to suit installation length – not included