LumaPro(R) Electronic Fluorescent Ballast Ballast Start Type Programmed Input Voltage 120 to 277V AC Number of Bulbs Supported 2 Max Bulb Watts 39 W Ballast Bulb Type T5 Dimming No Dimming Type No Dimming Dimming Method No Dimming Dimming Range No Dimming CA Title 20 Compliant No Min Starting Temp 0 Degrees F