... HPS/MH:35W,70W,100W,150W,200W,250W,320W,400W,600W,1000W,1500W.... both voltage: 110V/220V Dimming ... function UL and CE approved HT-50/35W HID Electronic Ballast ... : 0.45kg/0.99lbMax. Lamp distance from ballast: 3m/9.8ftOperating temperature range: -30 & ... and regulation: IEC61347EMC: EN55015 HID Electronic Ballast (HT-50/35W)