[ Dual QC3.0 USB Ports ] Two 18W / 3A QC3.0 fast charging ports and 4x faster than conventional chargersBackwards compatible with Quick Charge 2.0 1.0Suitable for all popular USB devicesNote: The car charger will consume 30mA current at most when the vehicle has been switched off[ All Metal Material Body] Made of Aluminum alloy with better heat disation, which has advantage of non-flammable, wear resistant and good stabilityUpgraded metal car charger will not be overheating at high temperatures, which is safer than plastic one[ Digital LED Display ] With a LED voltage display that can show the voltage status of car battery in timeVery convenient for car, boat, bike, SUV, ATV, RV car, campers and motorcycles, etc[All Round Protection] Dual QC3.0 USB charger socket is in line with the safety and quality regulations of the strictestProvides protection against overload, overvoltage, overcurrent, overheat and short circuit[Easy Installation]