Upgraded 4 Port 12V USB Outlet Aluminum Charger, 78W Dual PD & QC Multiple USB Port for Car, USB C Cigarette Lighter Replacement 12 Volt Socket with Voltmeter Waterproof for Marine Boat Motorcycle RV - Hapytrip, HT-12V-4P-PD-QC-ALUM-IMP-MAR-BAR-MOT-RV

• 2024 UPGRADED VERSION: Our 12V USB outlet is upgraded to four USB ports, 2 PD30W + 2 QC18W, which can charge four devices at the same time and up to 78W output. Compatible with PD2.0, QC2.0/1.0 and all other protocols, providing the fastest charging speed for all devices. ALUMINUM ALLOY MATERIAL: Advanced all aluminum alloy body with anti-scratch technology is sturdy and durable, making the 12v USB power outlet always look new. The upgraded metal USB socket dissipates heat well and won't overheat at high temperatures, safer than plastic sockets. LED VOLTMETER DISPLAY: The 12v USB socket comes with a blue LED voltmeter that automatically monitors your car's battery and electrical system and displays your car's voltage on the screen. Hapytrip USB Charger lets you know the health of your battery while driving. WIDE COMPATIBILITY: Suitable for installation in DC 12/24V cars, boats, ships, motorcycles, ATVs, RVs and more. This car USB charger is suitable for charging all cell phones, tablets, mobile power, video game controllers, sports watches and more. DIY INSTALLATION: Our 12V USB charger comes with a 60cm fused cord, 2 spare fuses and blue terminals. Simply connect the red wire to the positive terminal and the black wire to the negative terminalRed wire to Silver plug(+), Black wire to Golden plug(-) ）. It can be mounted anywhere according to your needs. Detailed installation steps are shown in the installation diagram. Please note: The bottom of the product is marked with "+" and "-", the red line connects to +, the black line connects to -. if the connection is reversed, it will not be energized.