[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 15/14/13/12/11 Mini/Pro/Max/iPads, for 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