LED Disco Party Bulb, Disco Light, DJ Light for Party's, Chrystal Ball Effect - Ships from USA Create an Instant Party with an Explosion of Colors Fits Standard Light Socket. Long Life up to 20,000 hours, Save 80% Energy, Nebula Rotating Multi Colored Light Compact Size: 4-1/4" Long Tip-to-Tip by 2-1/4" Diameter