... Light 1.YD-F53 2.220V/50-60Hz 3.Light's Color:Above 20 kinds, R,G,Y,B,W,etc. 4 ... contour of signboard above door, outline the contour of building, color-changing light landscape modeling of the contour of urban river ... used as dark slot, it can adjust brightness and change color.It is widely used for indoor light slot, like hotel ...