This is multicolour LED Bulb. Direct AC line Bulb. This Bulb has different colour combinations. Whenever you turn on the switch 1 combination of colour will glow, then you off and on the switch again then another colour will glow. There are two special mode when every colour will glow one by another. Just off the switch and on it again .
this combinations are respectively -
1. All colour one by one instant
2. all colour one be one drimmer type
3. constant white
4. constant blue
5. constant red
6. constant green
7. constant pink
8. constant yellow