LightRail 3.5 IntelliDrive Kit comes complete with a 10 RPM motor and a two-piece 6 ft 6 in rail. Comes with installation hardware and instruction. This light mover has a 0 to 60 second adjustable time delay for pausing the grow light at the end of each run. Rail and motor kit in one box. Box dimensions 41 in x 6 in x 5 in. Excellent for shipping or conserving space in your store.