Liftmaster 84LM Garage Door Opener Four-Button Billion Code Remote Control Transmitter

LiftMaster 84LM 4-Button 4-Channel Billion Code Standard Remote Control. 390 MHz. Works on LiftMaster, Chamberlain, and Sears openers with Smart Button coding, mfg between 1993 and 1997. Not Security+.

390 MHZ Freq, compatible with Lift-master operators manufactured from 1993-1997
4 channel transmitter, compatible with Billion Code series Smart coding with GREEN LED
Sears Craftsman compatibility models: 139.53225 139.53225SR 139.53225SRT 139.53325 139.53325SRT 139.53335SRT1 139.53425 139.53425SRT 139.53479 139.53491
139.53525 139.53525SRT 139.536141SR 139.536151SR 139.536181SR 139.536191SR 139.536251SR 139.53626

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