Plugin Outdoor Weather Durable Corrosion Resistant Unit,use UL approved powder coat painted steel housings Remote photocell Easy to use display with preset functions: - Clock Display - Photocell dusk to dawn - Timer ON/OFF - Photocell ON/ Timer off - Manual ON/OFF For use with Submersible fixtures Department Energy Efficiency Rating Class VI Built in resettable Short Circuit, Overload and Surge protection How to Choose the Transformer You Need