【Dual Port Charger】 USB Type-C and QC3.0 car port. The Type-C Power Delivery 2.0 socket can provide ultra-fast charging speed for USB C devices. The Quick Charge 3.0 charging port can provide the fastest charging efficiency 4x faster than ordinary chargers. 【On/Off Switch】 Designed with a switch to save energy and protect devices, extending the lifespan of devices. The built-in fuse 10A protects your equipment from overload, overheating, overvoltage, undervoltage and short circuit, etc. 【LED Digital Voltmeter】Monitor the vehicle's electrical system. The LED indicator will help you easily find the charging port and will not distract you while driving. 【Easy to Install】The opening is 3 cm. "+" means positive electrode and "-" means negative electrode. It is suitable for the dashboard and rocker switches of most vehicles. 【What You Get】1 * Dual USB PD Car Charger & QC3.0, 1 * 60cm cable with 10A fuse.