Product basic info Primary colours: Black Diameter unit: 32 mm Depth unit: 50 mm Height unit: 32 mm Weight unit: 32 g Material: PVC (polyvinyl chloride) Physical properties Number of USB ports: 2 Electrical data Maximum output current: 4.2 A Thermal cut off: Yes Output power rating: 21 W Short-circuit proof: Yes Overload protection: Yes Maximum current per port: 2.1 A Fuse: Yes Electrical connections Plug type: Car IT connections USB type: USB 1.1 USB port type: USB-A Power supply Input voltage rating VDC range: 12-24 V Output voltage rating: 5 V Included LED indicator: No Foldable handle: Yes (EN)