Dual QC3.0 USB Ports ] This 36W 12 volt USB outlet adopts QC 3.0 dual USB charging port design, which can charge two compatible devices simultaneously. Provide fast charging for devices that support the fast charging protocol. Provide the highest possible charging speed for non-fast charging devices.[ Touch Switch & Blue LED ] The 12V USB outlet is equipped with a power control switch. Turn off the switch when the USB socket is not in use, which can save the power of the vehicle battery. The blue LED light can help you check whether the circuit is connected successfully, and easily find the USB charging port in the dark environment.[ IP66 Waterproof ] Internal circuit adopts a completely enclosed design, USB port equipped splash cover for waterproof and dust-proof. This Waterproof USB socket can work well for Boat Marine.[ Fire-retardant Materials ] The boat accessories USB car charger made of environment-friendly ABC material, high temperature resistant, low temperature resistant, a