If you have any questions, please feel free to contact us and we will reply you within 24 hours. Please note: This extension cable only fit the backup cameras with 4pin connectors. It is recommended to buy a 6.5FT cable (if appropriate). The shorter the cable, the smaller the voltage loss. Wide Application: The extension cord fits most dash cam rear view cameras, but for some special type of dash cams, it may be not compatible with, If so, we will refund it in time. Features: Aienxn extension cord can be perfectly matched with the rear camera cord; Easy installation, plug and play. Premium Quality: Aienxn extension cord is 6.5FT 4Pin male to female cable. Please pay attention to the pin configuration and select the correct cable.