Condition:NewInput voltage:12VOutput voltage:12VColor:BlackQuantity:1PcSpecification:Can connet with all the car rear view camera/ monitorsPrevent distortion from your car rear view camera going away, and e the video picture in the rear view camera more clearly. Especially in the for volkswagen.Effective solution to the situation or blawater ripples, wiring simple, German cars and model year old car eential artifact.Some models of German cars and American cars are, after engine start, output voltage interferences, power supply to the lights are not pure DC power supply, but a signal is rimposed on top oscilloscope can be used to test if the conditions will It found a similar square wave signal. Camera power supply line directly on the down lights, because the working voltage is very unstable cause the camera does not work properly, the video signal output is also not normal, so the host can see there is a severe interference, jitter, or not to switch the screen.Installation method:Output positive and negative power supply connected to the camera, lights power input connector is negative, ballast is the solution to your camera interference ripple best choicePackage included: 1 x Power Relay Filter Rectifier