Features: Adopt QC 3.0 fast-charge technology, the charger can charge compatible devices up to 4X faster than usual chargers The protective cap provides good waterproof and dustproof performance, als more→o protects the internal circuit, effectively enhance its lifespan Real-timely monitor battery voltage and output current Can automatically detect and deliver the best charging current for your mobile devices Multiple safety protections ensure the safety of charging Compact size, the perfect partner for your car, boat, or motorcycle Specification: 100% brand new and high quality Type: Car Charger 3 colors for your choice: Green, Blue, Red Input Voltage: 12-24V Output: 5V/3A USB Port: 1