Car Charger Socket 12V/24V 36W Aluminum QC3.0 Waterproof Incar Fast Power Outlet with LED Voltmeter for Marine, Boat, Motorcycle, Truck, Golf Cart

【Dual USB Ports】Two 18W / 3A QC3.0 fast charging ports and 4x faster than conventional chargers. Backwards compatible with Quick Charge 2.0 & 1.0. Suitable for all popular USB devices. 【All Metal Material】Made of aluminum alloy with better heat dissipation, which has the advantage of being non-flammable, wear-resistant and good stable. The upgraded metal car charger will not be overheating at high temperatures. 【Digital LED Display】The car charger adaptor with a LED voltage display that can show the voltage status of the car battery in time. Very convenient for car, boat, bike, SUV, ATV, RV car, campers and motorcycles, etc. 【All Round Protection】Incar phone charger is in line with the safety and quality regulations of the strictest. Provides protection against overload, overvoltage, overcurrent, overheat and short circuit. 【Easy Installation】It is very easy to install the USB socket: "+" is plugged into the positive pole and "-" is put on the negative pole. It can also be connected to an on / off switch to save energy.