LINEAR ELECTR TRANSF SURFACE MOUNT 60W - The SST-60E and the SST-150E have a built in on off switch. Surface mounted 60w or 150w electronic transformer for installation at the end of a track or remote. Knockouts at each end for track sections. Live End Connector (SLE) is required for each track section to be energized. - Length: 5 7/8" - Width: 1 1/2" - Height: 1 1/8" - Wattage: 60w - Length: 5 7/8" - Width: 1 1/2" - Height: 1 5/8" - Product Finish: WT-White