Step-Down Cable for AKEEYO P1 Rearview MirrorThis step-down cable is specifically designed for the AKEEYO P1 Rearview Mirrora key accessory to unlock the devices core functions. Its main purpose is to provide stable voltage reduction power supply: once you correctly connect this cable to the P1 Rearview Mirror, it will directly activate the devices parking monitoring function. Even when the vehicle is turned off and power is cut off, the cable can continue to supply power to the rearview mirror, ensuring monitoring needs are met during vehicle parking and preventing missed recordings of unexpected incidents. Currently, this step-down cable is default compatible with the AKEEYO P1 Rearview Mirror model. If you need to use it with other brands or models of rearview mirrors/electronic devices, please feel free to contact us at any time. We will confirm compatibility based on your specific product model and ensure you receive an accurate, suitable usage solution.