... 1.Material: PP/ABS cover, iron screw, iron/brass contact, porcelain baseSpecificationslamp holder, light base1.Material: PP/ABS cover, iron screw, iron ... /brass contact, porcelain base2.Voltage: 11-250V, 60W3.Current: 3A, 4A, 5A4 ... , 100pcs/ctn5.Usage: lighting and lamp fields6.CE certificate lamp holder ABS porcelain wood aluminium