... ,reasonable price 2)with night vision,high resolution 3)PAL/NTSC selectable 4)dustproof,waterproof,shockproof image sensor ... :optionaloperating voltage:DC12VNote: waterproof, shockproof, high temperature resistance,small in size,light weight ,high definition,humidity resistance Installation:loading position is ... hiding in the car could barely see the rear camera (Subject to loading the actual effect)