... 1x15W, 1×20W Luminous Flux 950Lm, 1250Lm, 1750Lm Dimension Φ110mm, Φ150mm, Φ180mm Cut Hole Φ95mm, Φ135mm, Φ165mm Surface Color white/black ... black2.Available light source:warm white,neutral white,cool white3.LED Chips:Epistar,Cree,Edison,different chips with different price ... and high stability5.No harmful emission6.Dimmable lighting system Showroom LED Ceiling Lamp Service:1.OEM or ODM is available2. ...