Wide Application- The aluminum usb outlet fits for 12V/24V car, truck, boat, marine, golf cart, RV, ATV/UTV, etc. Supports all mobile phones, tablets, Video Games Controllers, Power Banks and more. (NOTE: The PD port does not support laptop charging.). LED Voltmeter and Button Switch- The usb car charger socket with blue led digital voltmeter, help to monitor the battery of vehicle and let you know the health of battery while driving. Features a switch, turn it off when not in use to save the power of the vehicle battery. Dual Quick Charge 3.0 Ports- Quick Charge 3.0 technology provides a charging speed which is up to 4X faster than conventional charging, and backward compatible with all QC versions. PD3.0 USB-C Port- The most Advanced Type C Power Delivery 3.0 technology provides a blazing-fast charge to USB-C devices, Compatible with iPhone 14/13 and other iPhone series, iPad, etc. Newest 3-Port 12V USB Outlet- This 12v usb car outlet has a built-in upgraded chip that allows three USB ports to quickly charge your device at the same time. Intelligently identify your device and deliver the fastest and most efficient power.