1.Simple plug-and-play design that works with any standard wall outlet or power strip. 2.The flexible rust-resistant metal neck tube is easy to bend to the desired lighting angle and lighting direction. And a stable posture in both upright and bent positions is very powerful. 3.Simple things don't need fancy descriptions, they just need to and easy to use.Note: Cannot be used for incandescent bulbs 4.perfect extender: lowering your bulbs further in recessed fixture, allow light to disperse in 360 degrees, make room brighter. 5.Lamp Bulb Adapter Type E27 Socket with On/Off Switch ,Flexible neck All Direction -Lamp Bulb Adapter. Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. Voltage: AC110V colour: White and Silver Material: ABSandstainless steel Package Contents: 1 x Lamp Holder Converter Only the above package content, other products are not included. Note: Light reflection 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.