Check the listing for details. 2 For Liftmaster 81LM Garage Gate Door Opener Visor Remote Green Learn Button. Condition: New. Listed at 14.95 USD. 2 For Liftmaster 81LM Garage Gate Door Opener Visor Remote Green Learn Button STOP! Make sure your opener has a green learn button before purchasingfor openers manufactured from 1993-5/1997 with a GREEN learn buttonSee pictures for help locating your "programming learn button"for billion code technologyreplacement for 81LM, 82LM, 83LM, 84LM, 850CB, 853CB, and 856CB Disclaimer: Any product names, logos, brands, or other trademarks or images featured or referred to within the Eastcoastsales listings are the property of their respective trademark holders. These trademarks are not affiliated with Eastcoastsales, or our products. The respective trademark holders do not sponsor or endorse Eastcoastsales or any of our online products.