describe Chamberlain Liftmaster Motorlift 94335E Replacement Remote Control 1A5639-7 Garage Door Remote 433.92 MHz Compatibility List: 84330E、94334CE、94333E、9433e、94335E、9747E、1A5639-7、1A5477、1A6487、132B2372、D-66793、156105、84333E、84335E、8747E、84330EML、84333EML、8747EML、94330E、940330ewk、94330EML This remote is compatible with the following remote controls: All remote controls starting with "9443" Remote Controls Liftmaster, including 94330E, 94333E, 94335E, 94330EWK, 1A5639-7 All electric elevator remote controls starting with "8433" and ending with "EML", including 84335EML, 84330EML and 84333EML. This remote is not compatible with 4335e, 4330e and 4333e remote controls (these remotes do not have an 8 or 9)!!! This remote is compatible with the following door openers: Garage Door Openers: Motorlift ML700, ML750, ML850, LiftMaster LM5580, LM600, LM800, LM1000, RDO, Chamberlain GPD60 Door Openers: ART300, LYN300, LYN400, SUB300, SCS300, SLY300, SLY500, SLY1000, SLY1500, SLY1800.