Product: Garage Door Remote Opener for Liftmaster 61LM (1984-1993) Dip Switch - 300-400Mhz
Brand: TCK TECH
Color: Dip
Replacement aftermarket remote compatible with the following part numbers:Chamberlain 750CB, 753CB,740CB, 850CB, 853CB, 959CB, 856CBLiftmaster 50LM, 53LM, 54LM, 61LM, 62LM, 63LM, 64LM, 81LM, 82LM, 83LM, 84LM, 99LMSears/Craftsman 139.53879, 13953859, 139.53779, 139.53759Chamberlain Keyless entry 740CBLiftmaster Keylss Entry 65LM, 66LM
STOP! Make sure your opener has dip switch style programming before purchasing
for openers manufactured from 1984-1993 with dip switch programming
see pictures for help locating your "programming learn button"
for 300-400mhz remotes
see description for a list of compatible part numbers

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