Ideal Choice: This is a surface mounted 12V-24V car outlet charger. If your car or boat dashboard doesn't have enough space to install a long car charger, then this USB socket will be ideal for you. How to Install: Surface mount, can be installed on a flat surface, just opens a small hole, put the wire in, black wire connects to the negative terminal, red wire connects to the positive terminal, screw on the two screws and put on the cover. PD3.0 and QC 3.0 Independent Output: USB socket is designed with USB-C PD 3.0 port and USB-A QC 3.0 port. Input voltage: DC12-24V, USB-A output: 5V=3A, 9V=2A, 12V=1.5A (18W Max), USB-C output: 5V=3A, 9V=3A, 12V=2.5A (30W Max), the total power of the two ports can be up to 48W simultaneously. Individual Non-slip Switch: The upgraded USB power outlet features a non-slip push-button switch that turns power on or off at any time. It prevents battery drain, helping to extend battery life, and also controls the blue indicator light on/off. Safety Charging: The USB socket is made of nylon shell, scratch-resistant and wear-resistant, it also comes with a flip-top waterproof cover, which can be easily operated with one hand, effectively protecting the USB C socket from sudden splashes of water and dust. Colour:Black Material:ABS Package Contents: 1x Car Charger