Auto 12V Car Power Signal Filter Radio Audio Power Relay Capacitor Filter Stereo Power Supply Filter Accessories Description: Material: High quality ABS plastic shell, premium precision component, sturdy construction, wear resistant and durable. Compatibility: 12V Car Power Signal Filter, supply the stabilized 12V DC power to the rear camera. Function: The Power Relay Filter can effectively help solve the issue of the "screen swirl" or "black screen" when using a rear camera reversing. Quality: Professional manufacturing, stable performance, long service life. Easy Installation: Simplify installation steps, no modification, cutting, or drilling required. Specification: Product Size: 3cmx3cmx3cm/1.18inchx1.18inchx1.18in Material: ABS plastic Package Includes: 1 Car Power Signal Filter Note: Please allow slightly errors due to manual measurement and different monitors. _x000D_