Specifications Diameter: 95mm x 95mm, Height: 57mm, Direct connection to 220V-250V electricity. material E27 ceiling socket in the lead of ceramic screw + fireproof housing + brass, is safe and durable for daily life. Easy installation Quick and easy assembly with the screw (not included), then whatever 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 White ceiling light brackets can be installed in wine cellars, storage rooms, garages, attics, stairs, corridors, balconies and other places to provide you with ideal lighting. Note: The data is all measured manually, please allow 1-3cm error due to differences in light and display, there may be color differences, please refer to the actual item received.