The digital bulb if seven colors of LED, the light source is red, yellow, bluish-green, white, purple, blue and green, such colors as seven colors, etc. Can realize gradation zone, jump to change, glimmer, the color of chasing etc. Can also make up into a light and reject the side module according to the need, can show seven color pattern, and seven color characters change, it is the advertising word card, the outline of outer wall of building, ideal light source of home decoration.