[Dual Quick Charge 3.0 Ports]- Provides 4X faster charging speed for compatible devices. it can charge compatible devices to 80% in just 35 minutes and is fully backward compatible with all fast charging versions. [USB C PD3.0 Charging Port]- Output:12V/2.5A; PD3.0 USB C Car Charger Socket devices that support power output up to 55W. Intelligently identify your devices and provide the fastest and most efficient power supply. [Stylish Voltmeter Display]- The built-in LED voltmeter can display the car battery status on the screen. For viewing data at night or in the dark. NOTE: The digital LED display only works when connected to batteries. [Energy Saving Switch]- The USB charger adapter has a built-in ON/OFF switch, which can save energy and prolong the life of products and devices. Power saving, no power consumption when turned off. [Universal Compatibility]- Widely used in DC 12V cars, trucks, boats, ships, RVs, ATVs, caravans, golf carts, DIY, etc. Compatible with all USB powered