Faster Charging - QC 3.0 fast charging ports, 4x faster than conventional charging. It is backward compatible with QC2.0, and also able to rapidly charge up iPhone X/Xs/XR/Xs Max/8/7/6/6s, 8/7/6/6s Plus, Samsung Galaxy Note8 / S9, iPad, tablets, GPS units, Bluetooth headphones & speakers, smartwatches & more | Type-C + PD3.0 - Output: 5V/3.1A, 7V/2.4A, 9V/2A, 12V/1.5A; USB Type C PD charger charge devices that support power delivery at up to 18W. Both the PD and the QC 3.0 ports work simultaneously with total output up to 36W. Intelligently identify your device like Google Pixel 3/3 XL/2/XL/2 XL/C/Nexus 6P/5X and deliver the fastest and most efficient power | Digital LED Voltmeter - Built-in voltmeter provides a fast and easy way to show the car battery status in the screen. LED luminous digit figure for checking the data at night or in darkness. NOTE: The digital LED display only works when you connect it with battery | All-round Protection - USB-C Car Charger offers safety protection against overload, over voltage, over current, overheat and short circuit. Also certified by UL/CE. Can be installed in minutes, "+" for positive pole and "-" for negative pole | Universal Application - Widely applied to input DC 12V-24V Car, Van, Boat, Marine, ATV, RV etc. Compatible with all USB-powered devices including Android phones & iPhone and tablets