Diodesy- SB454HOMV Instant Start Fluorescent Ballast, F54T5 Linear 2-4 Lamps, Multi-volt 120-277V, 50/60Hz, UL Listed

Suitable use with 2 or 3 or 4 F54T5 High Output Lamps Suitable use with 2 or 3 or 4 CF55W/2G11 Lamps Multi Voltage Ballast Electronic Ballast - Program Start 50/60Hz, UL Listed