You can set this Feit Electric Multi-Color LED Party Bulb to white, red, green or blue as well as choosing one of two color changing patterns: flashing or smooth transitions by the push of a button and it fits in any regular size light or lamp socket. Note this is not a bright light for lighting up rooms, but more of an effect, accent or night light.
Color Lock button allows you to freeze color at the one you like. Blues, Red, Green and more plus the ability to Flash between colors or set to soothing Color-Blend that morphs between colors.

100,000 Hour super long life.
Saves energy.
Changes color.
12 Color LEDs inside lamp.
6 Different Color Effects:
White, Red, Green, Blue
Flashing Color Transitions
Smooth Color Transitions
UL Listed.
Warnings
Risk of electric shock.
This product is not a toy and is not intended for use by children. For adult use only.
Use only on 120 volts or 60 Hz circuits. Not for use where directly exposed to the weather.
Do not open, no user serviceable parts inside.
Guarantee: The Multi-Color LED Party Bulb has a lifetime guarantee. If it ever fails or you are not satisfied with the performance, please return Proof of Purchase, the bulb and the register receipt along with your name and address to the address on the package.