VINTAGE CEILING LIGHT PARAMETERS--- Retro ceiling light dimensions: L 28*W 28*H 14cm/11*11*5.5inch; lamp base diameter: 20cm(7.9inch), light source E27: 4, voltage: 220V AC, color: black+gold. (Note: bulb and switch are not included in the package) STRONG AND DURABLE MATERIALS --- The E27 4-light ceiling light is made of high-quality metal, spray painting process makes the lamps strong, stable, anti-corrosion, rust-resistant and durable. Installing in your house can bring out the vintage and elegant atmosphere of your house. EASY INSTALLATION --- Ceiling Lamp All installation accessories are included in the package, the gold metal arms are pre-wired, you just need to screw each arm to the center pole to complete the installation, or you can request have a professional install it. E27 SOCKETS --- With 4 E27 sockets, compatible with E27 bulbs up to 60W, such as incandescent bulbs, LED bulbs or CFL bulbs, it is recommended to use LED light source for more saving energy, the unit is