Detailed Product Description Flex LED under car kit DC12V /24V 1). Including 2 pcs 12'' flex tube +2pcs 24'' flex tube one Remote controller 2)Many length can be available .LengthAvailable :12'' ,24'',36''48'' and other length Material:Black and Flexible PVCRemote Control allows you to control the Modes, Speeds, and Brightness settings just as if you were pressing the buttons