[Dual QC3.0 and Dual PD3.0 Output]Our 12v usb charger multi port is composed of the latest dual QC3.0 USB-A and dual PD3.0 USB-C car sockets, which can quickly charge 4 devices simultaneously without interfering with each other. the PD port has a maximum output of 36W, and the QC port has a maximum output of 18W. The built-in intelligent IC chip can protect your device from the effects of overvoltage, overheating, overload, or short circuit. It is suitable for all 12V-24V vehicles and can be applied to cars, motorcycles, buses, RVs, ships, etc. [Efficient Quick Charge PD USB C Port]Our 12V Dual PD Port socket adopts the latest Power Delivery fast charging port, with an output power of up to 36 watts, suitable for charging laptops,for iPhones 15/14/13/12/11 Mini/Pro/Max/iPads, for Samsung Galaxy S22, S21, S20 S10 and other devices for fast and stable charging. [Convenient Power Switch Design]The upgraded usb 12v outlet is equipped with an anti slip button switch, which can turn on or off the power at any time. This can prevent the LED from continuously lighting up and depleting the battery, effectively extending the battery life. (Note: Turn on the power and press the button to start; for safety reasons, this switch is turned off by default.) [No Need To Drill A Large Hole]Surface mounted, can be installed on a flat surface without the need for a large hole. Just make a small hole and place the wire inside. Connect the black wire to the negative pole and the red wire to the positive pole. Tighten the screw and cover it. [Convenient Dust Cover]The 12 volt usb charging port is equipped with a flip cover dust cover, effectively protecting the 12v panel socket from sudden splashing and dust infiltration. When our socket is powered on, the light emitted is soft and will not affect the driver's attention. Widely used in electrical products