This Purevolt triple cigarette lighter adapter is a must have to install in your vehicle. It has 3 cigarette lighter sockets that can be used to plug in your GPS dash cam seat heater and more. This adapter also has 2 integrated USB ports allowing up to 2 devices to be charged quickly and simultaneously. In addition a safety fuse is installed there to prevent overheating overloading and short circuits. Input: DC 12/24V through cigarette lighter socket3 cigarette lighter sockets 12/24V2 5V USB ports 2.1 A total 5A fuse protected1M cable with LED power indicatorUse your existing USB cables for a fast charge of your devices