STL070SS 70W 12/13 Volt STL - Single Tap EI Core Transformer. Material/Features: 304 Stainless Steel Case; Quick Mount Bracket Allows for mounting without templates; Lifetime Warranty - Stainless Steel Case and EI Core; 1 Year Warranty - Replaceable Timer Module; Replaceable Timer Module (Off, On, Auto, 1,2,4,6,8 Hours Off); Photocell (STL-PC) w/25_ lead included to use Auto & Timed functions (for use with STL series transformers only - Low Voltage). Finish: Muted Stainless Steel. Electrical: 6_ Heavy Duty Power Cord; Terminals for Output and Photocell In; Primary Side Thermal Protection; Secondary Side Magnetic Circuit Breakers; Fully Encapsulated EI Magnetic Core; Internal wiring rated to 125_C.