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877LM LiftMaster Wireless Keyless Entry System

  • Convenient access to your garage without using a remote control or key.
  • Holds four unique PIN codes.
  • Easily syncs to your existing opener’s frequency.


  • No need for additional wiring.
  • Open or close your garage door without using a remote control or key.


Accessory Warranty: 1 Year


  • Compatible with Garage Door Openers that have a Yellow Circle Learn Button and (2) yellow antenna.
  • Code Type Compatibility:
    • Security+ 2.0

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877LM Keyless Entry Instructions

LiftMaster Accessory Compatibility Chart