Garage door remote control for Liftmaster 371LM/373LM, Learn button on motor unit should be Purple 2005-2011 Purple Learn Button Version - the opener in your garage must have a PURPLE button on the back or this will not work
Garage door remote control for Liftmaster 371LM, Learn button on motor unit should be Purple Works only for Purple Learn Button of Chamberlain,Liftmaster or Craftsman Garage Door Opener
Garage door remote control for Liftmaster 81LM, Learn button on motor unit should be Green For Liftmaster openers manufactured from 1993-5/1997 with a GREEN learn button