... /ABS cover, iron screw iron/brass contact, porcelain base Specifications lamp holder, light base 1.Material: PP/ABS cover, iron screw ... screw, iron/brass contact, porcelain base2.Voltage: 11-250V, 60W3.Current: 3A, 4A, 5A4.Packaging: 1pc/colour box, 100pcs/ctn5.Usage ...