Product details:

GE Lamps UltraMax Electronic linear fluorescent ballast has a voltage rating from 120 - 277 Volts. Energy efficient electronic multi-volt ballast incorporates anti striation control technology for better light quality and features high temperature protection circuit. It features bi-level switching from 100 to 60%. Ballast measures 11.800 Inch x 1.700 Inch and has a temperature rating of 158 deg F. Ballast has a minimum starting temperature of -20 deg F. It has a line voltage regulation of /-10%.