Centium(TM) Electronic Fluorescent Ballast Ballast Start Type Instant Input Voltage 120 to 277V AC Number of Bulbs Supported 2 3 Max Bulb Watts 32 W Ballast Bulb Type T8 Dimming No Dimming Type No Dimming Dimming Method No Dimming Dimming Range No Dimming Min Starting Temp 0 Degrees F