The LiftMaster 375LM is a Universal Gate and Garage Door Opener Remote Control is first true dual operating frequency remote control available in the market, delivering the power to operate two different gate or garage door manufacturers and/or frequencies at the same time. ?Operates 1 or 2 garage doors/gates even if they are different brands ?Attaches to your car visor ?Long-life lithium battery included ?Easy to program ?1-year limited warranty ?Dimensions: 3.0 x 2.0 x 0.5 inches Compatible with the following brands: -Liftmaster Security+ with Orange Learn Button -Liftmaster Security+ with Purple Learn Button -Liftmaster Billion Code with Green Learn Button -Liftmaster with 9 dip switches -Genie Intelliceode -Genie Overhead Door -Sears Craftsman with Orange Learn Button -Sears Craftsman with Purple Learn Button -Sears Craftsman Billion Code with Green Learn Button -Sears Craftsman with 9 dip switches -Stanley Secure Code -Linear Mega Code -Wayne Dalton Rolling Code -Genie 9 or 12 Dip switch -Stanley 10 Dip Switch -Multi Code 10 Dip Switch -Linear Delta 3 8 Dip Switch -Moore-O-Matic 8 Dip Switch -Raynor Rolling Code -Master Mechanic Rolling Code Not compatible with garage door openers manufactured by Allstar, Marantec, Hormann, or the newer Liftmaster MyQ type openers PROGRAMMING MANUAL