REMAX compact car charger with two USB ports. It allows you to power several portable devices at the same time. The device has several degrees of protection that maximally protect the device being charged, including protection against overcharging, overheating or overvoltage. Intelligent management system adjusts the appropriate voltage to the device being charged. Wide compatibility means that you can use it with most devices available on the market. Specification: Material: PC Input voltage: DC 12-24V Output voltage: 5V/ 2.4A