Rear View Camera Signal Filter - Purpose and benefits - Stabilizes the rear-view camera by providing a stable 12V DC power supply and filtering voltage interference, preventing screen jitter or black screens. - Addresses issues caused by unstable working voltage and abnormal video signal output when the reverse lamp is powered, helping the head unit avoid host errors during reverse viewing. - Helps mitigate interference from some German and American vehicles that can create rectangular signal disturbances after engine start. - Easy installation - Input end connects to the positive and negative poles of the reverse lamp. - Output cables connect to the camera's positive and negative poles. - Input black wire represents reverse polarity. - Red output cable goes to the camera positive pole; black output cable goes to the camera negative pole. - Compatibility and performance - Provides a stable 12V DC supply for the rear view camera, improving reliability on compatible systems. - Particularly suitable for the American car series rear view camera used in Germany. - Size - 4.8 x 2.6 x 1.5 cm (approximately 1.9 x 1.0 x 0.6 inches)