Cigarette Lighter Sockets and 3 Independent Switches: The adapter features 3 cigarette lighter sockets with a total power of 80W; each cigarette lighter socket is equipped with an independent on/off switch to ensure safety and prevent accidental activation. Repeated plugging and unplugging saves energy and protects devices. Sufficient to meet the charging needs of a GPS, dashcam, car humidifier, and car fan. And various portable devices. QC3.0/PD FAST CHARGING: The QC 3.0+PD+ dual-port USB car charger allows you to charge up to 4 devices simultaneously. Built-in smart IC intelligently detects your devices to provide the fastest charging speed (Note: QC3.0/PD is a fast charging port). MAIN SWITCH AND LED VOLTAGE MONITORING: The main switch effectively extends the lifespan of the cigarette lighter socket adapter; the adapter plug with digital LED voltage display monitors the car battery output, provides real-time information on the car battery status, and prevents problems during driving. REPLACEABLE FUSE: The 12V/24V cigarette lighter splitter has a complete protection circuit and a unique chip, with a built-in replaceable safety fuse, which prevents overcurrent, overvoltage, overload, and other damage. Overheating, short circuits, and overloads of the power distribution unit and your devices. WIDE RANGE OF APPLICATIONS: The adapter comes with a 1m long power cord and a cigarette lighter plug for easy charging of rear-seat passengers; it is suitable for most types of vehicles, including crossovers, RVs, SUVs, trucks, minivans, and CDVs. It is compatible with most USB-powered devices, such as laptops, cameras, AirPods, Samsung phones, Android phones, etc. Package includes: 1 x USB Car Cigarette Lighter Charger, 1 x Velcro Strap, 1 x Spare Fuse.