1500 watt electronic ballast - 240 volt Extruded aluminum housing is engineered to dissipate heat and keep the components cool. Operates on 240 volt power only. Comes standard with 6 foot 240 volt cord. Resettable circuit breaker for short circuit protection. Lamp cord receptacle compatible with all Sun System® reflectors and sockets. Operates both HPS & MH lamps. Completely silent and lightweight. Extremely efficient – 99% power factor. Generator ready. We recommend using a large air-cooled reflector with this ballast & lamp. The Sun System® Magnum XXXL 8” is ideal for this application. 2 year warranty.