USB C to USB 3.0 car dashboard threaded mounting waterproof cable with its own M15 x 1 fine thread, simply cut a ?16mm hole in the board face and fix it with a nut for USB C port extension and expansion. Suitable for extending the USB C port on the dashboard face of cars, trucks, motorbikes, boats, yachts, etc. and on the face of electronic equipment boards, and can also be installed in studies, bedrooms and desktops. Fitted with a waterproof dust cap for outdoor use to prevent debris or rain from splashing into the port. Port A: USB C FemalePort B: USB 3.0 MaleTransfer speed: 5Gbps Charging power: 5V/3AThread: M151Length: 1m/3.3ftPackage: 1 * USB C Female to USB 3.0 Male recessed panel mount waterproof cable, 1 * hexagonal nut, 1 * sealing washer, 1 waterproof dust cap.