【Specifications】 Diameter: 95mm x 95mm, Height: 57mm, Direct connection to 220V-250V electricity. 【High-quality material】 The E27 ceiling lamp holder made of high-quality ceramic screw head + flame retardant housing + brass, is safe and durable for daily life. 【Easy installation】 Quick and easy assembly with the screw (not included), then all you have to do is screw in the bulb. 【Widely used】 These E27 lamp holders are suitable for various E27 screw bulbs and fit a variety of lights, signs and displays. 【Applicable occasions】 The white ceiling light holders can be installed in wine cellars, storage rooms, garages, attics, stairs, corridors, balconies and other places to bring you ideal lighting. Specification: Material: Flame retardant PC plastic + copper + ceramic Size: 95 x 95 x 57 mm Type: E27 thread Rated current: 10A Rated voltage: 220-250V Note: 1. Mounting screws are NOT included. 2. Please allow 1-3cm errors due to manual measurement. Package includes: 4 x E27 screw socket