This color changing bulb made of R.G.B tricolor LED chip, so one lamp can change seven colors(red, yellow, blue, green, purple, orange, white). And has the following features: high-efficient and energy saving up to 80% as compare to traditional lighting source, non-heating, lifetime up to 100000hrs, non-radiation, aseismatic, becoming a new era of decorative lighting source. Through the program of mini computer chip, it can make several lighting sources bring many changes on color and trends. The trends can be lengthways chasing, scanning, flowing, outspreading, shading, in-phase. Or we can make the program of trend according to your need.