GE 71437 GEC240MVPS-A CFL UltraStart? High Lumen Biax? Electronic MultiVolt Programmed Start Ballast Multi-Voltage Technology handles voltage from 120 to 277V Starting time visually the same as instant start Anti-Striation Control for better light quality, with no striations Lamp End-of-Life Safety Shutdown Circuit with Re-Lamping Auto-reset