... low voltage condition.High efficiency,high reliability and low power consumption.Excellent up to 80% energy saving, green ... and Wattage:.110V~260V working voltage, 3W to 250W Power;.Lamp Base type: Base: iron and copper, ... holding the glass tube10.International certifications: ISO9001:2000,CE,ROHS;GS,CCC,QC, Energy Star etc. Why ... the longterm business together! energy saving lamp with CE/ROHS approved