2-SOCKET CAR SPLITTER: The car's original cigarette lighter socket can be split into 2 sockets by this one-to-two cigarette lighter hub, with independent switch for each cigarette socket,Two 12V/24V cigarette lighter sockets provide a total power up to 80W, supports GPS and other car products at the same time. DUAL USB CAR CHARGER: One is a Quick Charge 3.0/QC 3.0 port includes the latest fast charging tech. which is 4x faster than conventional chargers. Backwards compatible with Quick Charge 2.0 & 1.0. The other is a smart 2.4A/5V port that supports all standard USB devices such as smart phones, tablets, kindles, MP3 players etc. With 2 usb charger port support charge two devices simultaneously. VOLTAGE MONITOR: With LED display for monitoring your car battery automatically once the vehicle power center is on. The battery voltage and charging current are alternately displayed when the device is charged using the USB port.Let you always keep battery state of health and safe. SAFETY ASSURENCE: This portable car charger protects against short circuit, over-heating, over-current, over-voltage and over-charging. when the vehicle charger is overflowing,overheating and short circuiting, the protection circuit will stop the vehicle charger from working do the automatic recovery of the car charger after the equipment is pulled out. WIDELY COMPETIBLE: Fit DC 12-24V voltage, suitable for various cars, such as truck, SUV, off-road, bus, etc. all-in one design with flexible rotation,makes your car neater,brings you more convenience activities in car.