We provide detailed and professional product descriptionsSpecification.Color: black/white/pink/blue/green/yellowsize:1.. Diameter 30 cm/11.8 inches, thickness 5 cm/1.9in, power: 18 watts2. Diameter 40 cm/15.7 inches, thickness 5 cm/1.9in, power: 24 watts3.. Diameter 50 cm/19.7 inches, thickness 5 cm/1.9in, power: 36 watts4. Diameter 60 cm/23.6 inches, thickness 5 cm/1.9in, power: 48 watts1W is approximately equal to 70-100lmMaterial: Iron + Acryliclight source. ledWorking voltage: 110V ~ 240VLife: 50,000 hoursDimming method:1. Three color temperature ceiling lamps are controlled by ordinary wall switches and light up in sequence. The first turn on white light 6000K, the second turn on yellow light 3000K, and the third turn on neutral light 4000K.Recommended irradiation area. 5-25 square meters (depending on size).Package includes. 1 LED ceiling light, 1 set of accessoriesAbout installation. Our lights are wired or installed. It needs to be fixed to the ceiling with screws and other work tools, not a plug-in installation, please understand and follow.After-sale guarantee.1. Please confirm the size and color before purchasing.2. If you are not satisfied with our ceiling light after purchase, please contact us via Amazon mail, we will reply you as soon as possible within 24 hours to make you satisfied.