Description: This USB mount is a USB extension and HDMI extension cable combine. It is designed for car, boat, motorcycle trailer and marine with USB and HDMI ports. It can support charging and data transferring.(Up to the device that you connect to) Come with the nuts and covers. And it is waterproof. Flush mount the socket to your dashboard or other surface. Use an existing hole or DIY hole in your dashboard and clip in the socket to flush mount it to your vehicle's dash. Package Includes: 1 Piece USB2.0 & HDMI Cable Kit Note: 1. Please check as much as possible to make sure the item is the one that you need. 2. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm)