Mark 10(R) Powerline Electronic Fluorescent Ballast Ballast Start Type Programmed Input Voltage 120V AC Number of Bulbs Supported 1 Max Bulb Watts 32 W Ballast Bulb Type T8 Dimming Yes Dimming Type Full Continuous Dimming Dimming Method 0-10V Dimming Range 100 Percent to 5 Percent Min Starting Temp 50 Degrees F