829LM Garage Door Monitor

product photo
  • Monitor and close up to four garage doors from any room in the house
  • Green and red LEDs indicate whether the garage door is open or closed
  • Volume-controlled audible alert lets you know when the garage door is being opened 
  • Fast, easy installation; no tools needed
  • Signals to any room in the home
  • Compatible only with LiftMaster® Security+2.0™ garage door openers