This heavy-duty 110 volt AC portable flourescent light is built for durability and safety. It is double-insulated with no exposed metal surfaces. The electronic ballast is located in the handle and the flourescent tube shield is shatterproof high-impact plastic. Exclusive, patented floating bulb sockets protect the bulb from impact, extending the life of the bulb. Available in 15, 30, and 40 watt models with 25' or 50' cords.