387LM is Compatible with the Following Opener Brands.
Craftsman®, Chamberlain®, LiftMaster®, Master Mechanic®, or Do It openers® with 7, 8, and 9 position DIP switches. Yellow, white, gray and green round smart learn buttons. It is also compatible with green, red, orange and purple square learn buttons. Includes all Chamberlain made openers before 2011.
Compatible with motor units hanging in the garage that have a green, yellow, gray, or white "round SRT learn button" on receiver logic board made before 1997.
Ships the Next Business Day.