877MAX Universal Wireless Keypad Keyless Entry for Liftmaster/Chamberlain/Sears Craftsman Garage Door Opener(1Pack)

1.Attention: Works only for a YELLOW,PURPLE,RED,ORANGE,GREEN Learn Button of Liftmaster/Chamberlain/Sears Craftsman garage door openers. 2.Attention: please doing the programming steps faster, If you wait too long (a few seconds) between steps it times out and won't program. Attention:Please get close to garage door opener to program keypad! please make sure your garage door opener fully closed first then start to program keypad,otherwsie programming maybe failed.