3 changeable color steps. Its a Double Colour 2 in 1 Panel Light. As you can see in the image. The inner circle illuminates White Colour when we first switch it on. Next when we switch it off and again turn it on., the outer Area Illuminates Blue in Colour. Again when we switch it off and turn on the switch, The total Inner white Outer Blue illuminates. This is continous cycle. When we turn off the switch and turn it on again. Its one of the latest kind in market with very affordable price