Sequencial Brake Lights

anyone have info on sequence brake lights? such as where to get em, how to install, etc??? i seen a video on youtube where another lumina z34 owner put it in his car and its a trip. gotta have it gotta have it...
heres the link to a mustang with it installed. turn signal, hazard, and stop.
http://www.youtube.com/watch?v=Kow0aethFjg

noone? ive looked all over, cant find em for the lumina...