829LM Garage Door Monitor
GARAGE DOOR ACCESSORIES
DETAILS
Garage door monitor lets you check and close the garage door from any room in the house.
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ACCESSORY DETAILS
- 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
- A 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