Multi-Voltage Technology handles voltage from 120 to 277V A new generation of ultra-efficient Programmed Start Ballasts (>90% efficiency) Parallel Lamp Operation keeps lights on when one lamp fails Anti-Striation Control for better light quality, with no striations. Lamp End-of-Life Safety Shutdown Circuit with Re-Lamping Auto-reset Starting time visually the same as instant start case of 10 ballasts