For Apple Ipod Nano (4th Generation) / Ipod Touch Ii (2nd Generation) / Ipod Nano (3rd Generation) / Ipod Nano (2nd Generation) / Ipod Nano (1st Generation) / Ipod Mini / Ipod Classic / Ipod Touch / Iphone 3g / Iphone / Ipod Video (5th Generation) 5ft long 4mm thick LED Light indicator IC Chip (protects your car against back-flow current and your iPhone from excessive electrical loads)