Qvfvfv 4 Port 12V USB Outlet Aluminum 78W Dual PD & QC Multi Port USB C Car Charger with Voltmeter, Cigarette Lighter Replacement 12 Volt USB Socket for Marine Boat Motorcycle RV Truck Golf Cart

Upgraded Version 4-Port: Our multiple port usb socket equipped with four usb ports, 2 PD30W + 2 QC18W, which can charge four compatible devices simultaneously and up to 78W output. Backward compatible with PD 2.0 /QC 2.0 / 1.0, providing the faster charging speed for all devices.
Aluminum Alloy Material: The body of 12V USB Socket it's made of all-aluminum alloy material, which is scratch-resistant, wear-resistant, and good in heat dissipation, making it safer than plastic sockets.
LED Voltmeter Display: The four ports USB socket with a blue LED digital voltmeter, automatically monitors the voltage of the vehicle's battery and displaying the car voltage on the screen, which will let you know the health of your battery at any time.
Wide Compatibility: Suitable for all DC 12/24V cars, marine, boats, bus, truck, golf cart, ATVs, RVs, motorcycles etc, and can charge all cell phones, tablets, smartwatches, dashcams, GPS, cameras, Game Consoles, GPS, Headphones, MP3 Players, Speakers, Vacuum Cleaner, etc.
Heavy-Duty Extension Cable: Come with 5 ft 18AWG pure copper wires and replaceable 10A blade fuse, overloading and short-circuiting protection, provide a stable current for your devices to guard your devices safe.
Easy installation: Drilling a 1.18 inch/3cm hole, inserting the charger and tightening the ring, then connecting the positive and negative wires, Red wire to (+), Black wire to (-). It's also a perfect replacement for cigarette lighter socket or conventional usb charger port.