[PD 45W & QC3.0 18W Fast Charge]The USB socket 12v power delivery 3.0 USB C connector Provides up to 45W of power. QC3.0 connector, the maximum power can reach 18W. Compared to traditional charging, it can provide 4X charging speed. Charges up to 80% in 35 minutes. [LED Voltage Display]The 12v usb c outlet built-in digital LED voltage monitor accurately displays the real-time voltage status of the car battery, preventing problems caused by under-voltage. Charging performance can also be viewed while a compatible device is being charged. The LED light also helps you to find the USB port easily and quickly in dark environment or at night. [On/Off Switch]The usb c 12v outlet designed with an on/off switch, it can effectively save energy and prevent the battery from running out when idle, prevent power outages, and control the charging and turning on of the device at any time. [High Quality Metal Shell]The 12v usb made of high quality aluminum alloy, it is stronger than traditi