The OptoElectronixTM ULE3020 is a waterproof version of the ULE3010 Series. It can withstand full immersion in three inches of water head pressure for 24 hours. Mounting dimensions are similar to the ULE3010 Series. It can be used in areas where fully wet or submerged conditions are required e.g., ice-box. Available in White and Blue. Other colors or multi-colors can be customized.