Use the led disco bulb to transform your room into party central multicoloured leds are dispersed by a rotating crystal lens creating funky disco light effects around the whole room perfect for travelling performers and djs or to transform your party venue quickly and cheaply the led disco bulb creates awesome effects with little effort r r led disco bulb cast red green and blue disco lighting around the roomfits easily into any b22 light fittingbayonet bulbdesigned to last up to 8000 h