... % in advance 2,Delivery:7~10 days after payment 3,Dimension:51x51x73cm 4,Market:Europe, Australia, America Item NumberBL ... ,ORSAM etc.4) Color Temperature: Warm White: 2,700 ~3,500K, Cool White: 5,000~6,500K5) Beam Angle : ... 15,25,45 degrees6) CRI: Ra> 807) Power Factor: >0.98) Dimmability: compatible with TRIAC dimmers on market ... 7~10%, and with lower price trend. Dimmable high power led lamp