LED RGB CEILING LIGHT * PRI-AL-RGB-10W 12VDC, GREAT COLOUR CHANGING LIGHT.Dia: Face:170mm H: 50mm Cutout:155mm. 36pcs of SMD. Colour changing with RGB controller can be used with all our RGB controllers.Got two outlets for easy joining to next light, MAX 4 lights then a RGB data repeater is needed if another again MAX 4 lights will joined! Same procedure again till correct No. of lights that is required.