mfr: LiftMaster Garage door opener wireless keypad model 66LM (9-Dip Switch or Green Learn Button). Compatible with ALL billion code systems with the red or green LED light, including Chamberlain, Sears, Craftsman, Master-Mechanic, Wayne Dalton and Tru Value (not compatible with Security+ code rotating see model 976LM for Security+ systems). Compatible with Liftmaster remotes models 51LM, 52LM, 53LM, 54LM, 61LM, 62LM, 63LM, 64LM and 81LM, 82LM, 83LM, 84LM. Compatible with Chamberlain remotes models 50, 53, 54, 750CB, 753CB, 756CB, 850CB, 853CB. Compatible with Sears remotes models 139.53707,139.53758,139.53778,139.53779,139.53780,139.53800,139.53879,139.53515, 139.53606,139.658430,139.53637SRT. Compatible with True Guard remotes from 1984-1992 with 8 or 9 dip switches and 390 MHz frequency. This unit is the same as the Chamberlain model 740CB and Sears models 139.53776 and 139.53876. Easy mounting to your garage door jamb with just 2 screws. Over 10,000 codes for maximum security.
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