The 635LM Receiver Is Used To Replace Older Receivers.
Security+ technology upgrade or replacement receiver to 390MHz
The code between the remote and receiver changes with each use for extra security
Designed for use with 2 or 3-wire systems using the built in transformer
Accepts multiple remote controls utilizing up to 8 remotes, and one wireless keyless entry
Will work with existing LiftMaster, Sears, Craftsman or Chamberlain remotes using orange learn buttons
Programming Instructions Are Included With Your Order
Ships The Next Business Day!