The QOLTEC 50640 is an automotive power supply for 12V to 24V systems, equipped with three USB A sockets. It provides a high current output of up to 2.4A per port, making it suitable for charging devices such as smartphones, action cameras, and tablets. It has an overload, short circuit, and overvoltage protection. Additionally, this automotive power supply is RoHS and CE-compliant, allowing it to be used with confidence in any application.