"Premium Material, Made to Last: ceiling light fixtures is made of high-quality metal, anti-rust, anti-corrosion and non-fading, solid and durable which could provide you with longer lifespan and nice illumination,With black + gold color matching, the appearance is elegant and simple, not only suitable for retro industrial style, but also suitable for modern style.Ceiling Lamp Size: This Semi Flush Mount Ceiling Lamp diameter is 17inches,height is 6.3 inches Top plate:4.72inchesBulb Type: 2/ 4x E26 lamp base, compatible with LED ,Edison ,incandescent, CFL and halogen bulbs.If you want to dimmer, you only need to purchase dimmer switch and dimmer bulb.(Note: pacagenot included BULB).)Easy Installation: Package includes all mounting hardware. all arms are pre-wired ,The installation of the ceiling lighting is There are step-by-step instructions, everything is very easy.Technical DetailsSwitch Installation Type: Ceiling MountFinish Type: PolishedShade Material: Metal, IronLight Source Type: LEDWattage: 60 wattsVoltage: 120 VoltsNumber of Light Sources: 2Unit Count: 1 CountItem Weight: 1.79 poundsPackage Dimensions: 13.74 x 7.01 x 3.46 inches"