Simply plugs into your car's cigarette lighter socket to provide a USB charging source for your USB devices as you drive. The built-in smart charging IC identifies the device connected so that the optimum charging current is supplied to the smartphone, tablet, GPS and other USB devices. 

Specifications:

Voltage Input: 10-30VDC

Voltage Output: 5VDC

Current Output: 2.4A Each Port (Max)

                     4.8A (Total)

Dimensions: 75(L) x 28(D)mm