[Two QC3.0 USB Ports.] Charge two devices simultaneously at full speed on each USB port. QC3.0 supports speeds up to 4 times faster than standard chargers for fast-charging devices. Compatible with Quick Charge 2.0 and 1.0. Suitable for all popular USB devices. [Waterproof and Heat Resistant.] Made of advanced ABS materials with IP66 waterproofing, the 12V car socket performs well in high and low temperature environments (from -20°C to +80°C). With overload, overcurrent, and short-circuit protection to ensure safe charging, the built-in reverse connection protection guarantees that the circuit will not be damaged if the wiring is incorrect. [Waterproof Switch.] The car USB plug has a built-in touch on/off switch for power control. Using this feature can save energy and extend the lifespan of the product and devices. It saves electricity and consumes no power when switched off. [Easy to Install.] There are two different installation methods for the motorcycle charger, and two different