2-LAMP 120-277V ELECTRONIC BALLAST FOR 2 OR 1 FP54T5HO WITH NO LEADS FEATURES: 90 degreesC MAXIMUM CASE TEMP. UNIVERSAL VOLTAGE (120-277V) LOW-PROFILE (1.00" HIGH) 100% BALLAST FACTOR QUICKSENSE BALLAST TECHNOLOGY (END-OF-LAMP-LIFE SENSING) PROSTART PROGRAMMED RAPID START UL TYPE CC RATED -20 degreesF (-29C) MIN. STARTING TEMP. OPERATES AT >40 KHZ TO REDUCE POTENTIAL INTERFERENCE WITH INFRARED