Usage Tips:[Dual TYPE-C PD3.0 and USB QC 3.0 Sockets] These 12V USB sockets are designed with one USB-C PD 3.0 port and one USB-A QC 3.0 port, USB-A output: 5V=3A, 9V=2A , 12V=1.5A (18W Max), USB-C output: 5V=3A, 9V=2A-3A, 12V=1.5-2.5A (18W Max), total power up to 36W, input voltage: 12-24V, of which Can charge all your Android and iOS devices at maximum charging speed. In addition, it can be applied to cars, motorcycles, buses, RVs, boats, etc. Dual PD3.0 and QC3.0 USB RV USB sockets are more useful. The USB socket is not only made of nylon shell, which is scratch-resistant, but also equipped with a self-rebound cover to effectively protect the USB C socket from sudden water splashes and dust. Built-in smart IC chip protects your device from overvoltage, overheating, overload or short circuit. (Note: If you don't need the lid, just remove the spring and pop-the lid off.) [Quick Charging USB 3.0 Port] The USB-A QC 3.0 port provides a maximum output of 18W, providing 4x faster charging for compatible devices, charging your device to 80% in just 35 minutes. It's also fully backwards compatible with all versions of Quick Charge, providing the fastest charging speeds for all non-Quick Charge devices. [No need to drill big holes] It is surface mount installation, can be installed on a flat surface, no need to cut big holes, just a small hole to put the wires in, connect the black wire to the negative pole and the red wire to the positive pole. Additionally, the 12-volt panel-mount USB outlet's blue light stays on when powered on, making it easy to find in the dark. Quantity:2PCS/6PCS Colour:Black Material:Plastic Package Contents: 2 * Dual Port PD 3.0+QC 3.0 USB Outlet 4 * Screws / 6 * Dual Port PD 3.0+QC 3.0 USB Outlet 12 * Screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.