The high quality and rock solid dependability you have come to expect from Light Rail 3 now has the added flexibility of customized light distribution. The advanced Light Rail 3.5 Intelli Drive motor circuit board technology enables you to program the delay timer at the end of the rail to pause from 0 to 60 seconds. Perfect for rectangular growing areas. Expand your growing area with out buying another light. The 10 RPM motor travels 4 feet per minute. Kit includes motor, 6 foot rail, and mounting hardware.