HPS/MH:35W,50W,70W,100W,150W,200W,250W,320W,400W,575W,600W,750W,1000W,1500W both ... Dimming function UL and CE MH575W-220VAC Digital Electronic Ballast (MH-575W-220-LNN) Strike voltage: 3.5~5KV Required lamp ... º C Safety and regulation: IEC61347 EMC: EN55015 Stage light Ballast (MH-575W-220-LNN)