... +acryl+cold rolled steel; 3. Unadjustable brightness; 4. Used SMD5050 LED ceiling lamp1.Color: Silver;2. Material: aluminum+acryl+cold rolled ... available;A: 12W, Diameter: 260mm, Thickness: 80mm, 55 PCS SMD5050, Effective area:7-10MB: 18W, Diameter: 260mm, Thickness: 80mm, ... :10-15MC: 21W, Diameter: 320mm, Thickness: 80mm, 120 PCS SMD5050, Effective area:15-20MD: 27W, Diameter: 380mm, Thickness: 80mm, ...