USB RCA Flush Mount &ndash; Rerii 1 Meter 3ft USB and 2 RCA to USB and 3.5mm Female AUX Extension Cable, USB RCA Flush, Dash, Panel Mount Cable, for Car, Boat, Motorcycle and More You can use this USB RCA mount cable to DIY your car, boat and other device you want. Please check the length before your purchase. This USB mount is a USB extension cable and 2 RCA to 3.5mm Female Aux extension cable combine. So, when you install this USB mount to your device, you should connect to the right connector of your device. It is designed for car, boat, motorcycle and trailer. It compatible with any stereo that is with USB 2 RCA input. You can use this USB mount to replace the car Cigarette lighter or drill a 28mm - 30mm hole to install this cable. This USB mount cable is come with the nuts and covers. And it is water proof. This USB RCA mount cable is made of copper cord. It can make sure the high speed data transferring. And it comes with all the parts you will need when you install to your device 2It is a water proof design USB Mount cable. So, you can install it to your boat and other device safety. You will not worry about the water Easy installation. If you do not want to drill a hole for this USB mount cable, you just need to use this cable to replace the cigarette lighter Please note that this USB RCA mount cable is USB extension cable and 2 RCA to 3.5mm Female cable combine. It is not a converter for any device. So, if your device can support USB and RCA input function, this cable can work. Or, it will not work with your device If you want to drill a hole for this USB mount cable, you will need to drill a hole with the size smaller than 32mm. We suggest 30mm hole. Please note that this mount cable do not come with the drilling tool Please check if the length of the USB RCA mount cable can meet your requirements or not. Please make sure that you device can support the function you want. This USB RCA Mount cable can not be used as a converter. It is just do the extension and transferring work