Loading... Please wait...Includes five 3 Sola heads (20 watts max each) with glass shade and five 12 volt, 20 watt MR16 lamps. 120 volt in/12 volt out 100 watt surface transformer mounts to a standard 4 square junction box with round plaster ring (provided by electrician), Rail drops 3.5 from the ceiling. The kit may be dimmed witha standard incandescent dimmer.