1Function: After the car stops running, the power supply is delayed for 10 seconds, providing a stable 12V voltage for the rearview camera. 2With Filter Capacitor Function: Effectively solve the problem of interference, jitter or inability to switch back to the screen display when reversing. 3Purpose: Extend the power supply time of the vehicle, increase the shooting time of the camera after parking, and avoid display failures. 4Application: The premium Backup Power Delay Relay is extensively applicable to Mib, Pq and Mqb screen. 5Advanced Materials: Manufactured by copper and Abs materials with stable performance and high reliability.Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.