Door Monitor #829LM
- Check and close the garage door from any room in the house.
- Green and red LED lights indicate whether the garage door is open or closed.
- Volume-controlled audible alert lets you know when the garage door is being opened.
- MyQ enabled technology allows you to monitor and close up to four garage doors.
- Compatible only with Security+2.0 garage door openers and accessories enabled by MyQ technology.
- Works with LiftMaster models 8355, 8500, 8550 & 8587