TCP E2P54PRSUNVE - 1-2 Lamp - F54T5 - 120/277 Volt - Programmed Rapid Start - 1.00 Ballast Factor Brand: TCP - MPN (Part No.): E2P54PRSUNVE - UL Listed: Type 1 Outdoor - Voltage: 277/120 - Ballast Factor: 1.00