Type: E27 Socket with On/Off Switch to US Plug Neck Length: 9.5cm; Total Length: 20cm Voltage: AC 100-240V 50-60Hz; Max Watt: 100W Safety: Fire Retardant PBT,100% safe from electric flaming,Heat Resistant. Material: PBT&Metal E27 LED Flexible Light Bulb Lamp Holder Extension Adapter Converter Screw Socket and high quality Description Type: USPlug to E27 with On/Off Switch Neck Length:9cm Total Length:20cm Voltage and Current:AC 100-240V,13A Plug: US Plug Plug Type:US Plug,it applies to Canada, India, Japan, Mexico, Thailand, the United States, the Philippines and so on. Quantity:4Pc(Not include the Bulb) Package Contents: 4 x E27 Socket with On/Off Switch to US Plug Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.