Corona Lighting T-LT75 Stainless Steel Circuit Transformer with Timer 75W 12/15V - This class 1 transformer is ETL listed to U.S. safety standards for landscape lighting transformers (UL1838). It is pool and spa ready and suitable for use with submersible fixtures. Its 6' heavy gauge power cord is ground and water resistant, with a molded plug. The transformer features a built in timer, removable bottom plate with pre-punched knockouts, and a removable stainless steel hinged cover door for easy installation. It is for use with LED lighting systems and landscape lighting systems.