Liftmaster 877LM Wireless Keyless Entry 877LM-Works with 2015 to Present-Yellow Learn Button Only, Grey Works only with yellow learn/program button operators Works only for units 2015 to Present only - Lift master Brand only Compatible only with Lift master Security+ 2.0 garage Door openers Security+ 2.0 garage Door openers have a yellow learn/programming button Equipped with security+ 2.0 rolling Code Technology that virtually eliminates radio wave interference