1. Multifunctional car charging splitter-convert your car cigarette lighter from 1 to 2 car split sockets, and provide 2 USB ports for all smart phones, tablets, and GPS devices. 2. 2 USB charging ports, can charge 2 devices at the same time. 3. The output can reach the maximum current of 5V / 6A. 4. Voltage: DC12-24V 5. It has overcharge protection, high temperature protection, overvoltage protection, short-circuit protection, output over voltage protection, overload protection.