Advance SmartMate ICF-2S42-M2-LD - (2) Lamp Fluorescent Ballast - 42 Watt CFL - 120/277 Volt - Programmed Start - 1.0 Ballast Factor Color-coded dual-entry connector Poke-in terminals IntelliVolt? multiple-voltage technology enables operation at any input voltage from 120 to 277 volts, 50/60Hz End-of-lamp-life protection