LiftMaster 829lm garage door monitor
With the lift master 829 lm garage door monitor you won't have to go downstairs or outside to see if you accidentally left the garage door open. The Lift master garage door monitor offers exclusive insight and unabashed ability to check and see if you closed the garage door from any room in the house.
- MyQ enabled technology allows you to 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
- Compatible only with LiftMaster Security+2.0 garage door openers.