Hello and welcome to our store. We hope our service can satisfy you and wish you have a pleasant shopping experience! Description: Name: Lamp base Shell material: ABS, stainless steel Model: switch type universal E27 screw hose lamp holder Plug: Eu plug, US plug Rated voltage: 110V-220V Rated current: 10A Heat resistance temperature: 100C Length: (round 20 cm: total length from head to tail 27.5cm/metal tube total length 15cm) (square 25 cm: head to tail 24.5cm, rubber tube total length 12cm) features: 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. Packing list: 1 x Lamp base Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.? Manual measuring,please allow 1-3mm error,thank you.