355LM-2T Universal Radio Reciever Set

Sears Craftsman LiftMaster Chamberlain garage door opener receiver and 2 transmitter set model 355LM-2T Garage door opener receiver and 2 transmitter set upgrade or replacement kit, this kit will upgrade your old format Sears, Liftmaster, Chamberlain, Craftsman to the newest Security+ technology Compatible with 2 or 3 wire wall control systems, can also use an external 24/110 volt transformer Security+ technology, the code between the remote and receiver changes with each use for extra security. Stops code grabbers COLD! Jumper option for momentary or constant relay contact Over 100 billion possible codes makes it impossible to duplicate the frequency Specifically for use with most 3-wire systems without a transformer Accepts multiple remote controls utilizing up to 8 functions, and one Security+ keyless entry Will work with Lift-Master, Sears, Craftsman or Chamberlain remotes with the amber LED light (Security+ format) FCC certified