Dear sir/madam,we are cetc deqing huaying electronics co.,ltd,we are specialized in electronic ballast&transformer.we hope you will have fun and chance to do business with us in the future,if any of our item be of interest of you or you have any question,pls contact with Ann,andy(at)dqhuaying point com Model No. HY50W Lamp Wattage(W) 20~50 Frequency(Hz) 50/60 Rating Voltage(V) 220~240/100~120 Power Factor 0.99C Case type &dimension(mm) W1:67x41x28 Inner White Box(mm) / Quantity/Case(pcs) 200 Weight(kg) 16/15 Package dimension(mm) 300X290X220 Minimum Quantity 3000pc/order