Stylish LED Voltmeter: Built-in voltmeter can 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 👆 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. Intelligently identify your device and deliver the fastest and most efficient power 👆 All-round Protection: This 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 👆 Faster Car Charging: QC 3.0 fast charging ports, faster than conventional charging. 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 👆 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, Macbook, tablets, and notebook computers