Low Voltage 75 Watt Contractor Series Transformer. Dimensions Length = 8.23 Inch, Width = 3.67 Inch, Depth = 4.59 Inch. Kichler'S Contractor Series Provides The Best Options And Flexibility Needed For Most Installations. Output Voltage Will Suit Most Jobs. Features Include A Commercial Grade Toroid Core And Coil Submersible Rating, Pluggable Timer And Photocell Outlets Plus A 10 Year Warranty.