🚗 Waterproof Dual USB Car Power Outlet: Quick Charge 3.0 + LED Voltmeter - Black Review

【ALL Aluminum Body】 The advanced full aluminum alloy body with scratch resistance technology keeps it always like new and better heat dissipation. Besides,high temperature resistant, low temperature resistant, also has anti-flame-retardant properties, makes it a high safety standard product which is safer than plastic one. 【Quick Charge 3.0 USB Outlets】Dual supporting QC 3.0 USB ports out 36W total, can charge two devices simultaneously at QC3.0 speed, and Deliver the Fastest Possible Charge to All non-quick Charge Device. Built-in Smart IC, Outputs Stable Current Without Fluctuation. 【Waterproof and Dustproof】Designed with an IP66 rubber cover, it can protect the inter circuit from splash water and dust, allows it do good job on boat! Built-in 10A fuse for overload protection, let this USB charger be with you on the road safely. 【Voltmeter Display】Features a blue LED voltmeter that monitors the vehicle's battery and the electrical system automatically and indicating the car voltage in time to let you know the health of the battery while driving. Note: if the voltage range is lower than 12V, it means you need to replace the battery ASAP. 【Easy Installation and Universal Compatibility】It is very easy to install the USB socket: "+" is plugged into the positive pole and "-" is put on the negative pole. Fits for DC 12/24V car, boat, marine, motorcycle, ATV, RV, etc. And Works with All USB-Powered Devices Including Smartphones, Tablets, Video Games Controllers, Power Banks, Sports watches, etc.