This is rather amusing... it's an 100W LED which is actually a grid of 1W LEDs. These are designed for street lighting, but... meh... this guy put one on his bike:

There's loads of gumf on this here:

http://tesladownunder.com/LEDs.htm#100%20W%20LED

For amusement, here's the thing compared with the dude's car headlights on main beam (100W each he says), note the LED on the right is many times brighter: