American Lighting ALTR80B Transformer, Hardwired, Electronic TYPE, 20 - 80 WTT, Input Voltage: 120 V, Output Voltage: 12 VAC, Connection: 7 IN 18 AWG Primary And 5 IN 12 AWG Secondary Leads, Enclosure: Stainless Steel, Length: 2-1/4 IN, 1-5/16 IN Width, Height: 7/8 IN, Black, C/US UL Listed, Class 2 Standard