Discontinued use the new model liftmaster 850LM
it works for 390mhz 971lm series remotes
Liftmaster 635LM Conversion Kit
- Features and Specifications
- Kit includes one Liftmaster 971LM remote and one 635LM receiver
- Garage door opener receiver and transmitter set with Security+ technology, replaces pre-1983 receivers with discontinued transmitters.
- Easy to install, simply use your existing wall buttons' wires and plug into a wall outlet, that's it!
- The code between the remote and receiver changes with each use
- Over 100 billion possible codes using Security+ remotes, however, this item will accept ALL older remotes as well
- Accepts multiple remote controls utilizing up to 8 functions, and one Security+ keyless entry
- Will work with Lift-Master, Sears, Craftsman or Chamberlain remotes
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