Compact Fluorescent - 347 volt. Available in 2700 and 5000 Kelvin, 40, 60, 80, 100, 150, and 200 watt. The 40, 60, 80 watt have medium base, and 100, 150, and 200 watt have mogul base. Optional high bay fixtures and reflectors available. Other accessories include adaptors (medium to mogul and mogul to medium). email for details. under construction.