Sharper Image LED SIL1800 Party Light Rotating Disco Bulbs, 2-Pack LED Party Light Bulb creates fun lighting effects - projects on walls and ceilings Ideal for home, parties, bars, clubs, stages or children's rooms Special LED Crystal Lamp Light Bulb rotates to display changing red, green, and blue lights Plug and Play easy set up- fits in a standard lightbulb socket Long life up to 20,000 hours