829LM myQ Accessories Audible AlertsKnow when the garage door is being opened with volume-controlled audible alerts.Monitor and CloseMonitor and close up to four garage doors or gates from any room inside your house. Specifications Compatibility Installation & Support Specifications Show myQ logo true Compatibility Compatible with myQ®-enabled garage door openers (look for the myQ logo) or myQ Control Panel (Model 888LM) Installation & Support General Documents Accessory Compatibility Chart Manuals LiftMaster 829LM Instructions – English, French Tags: LiftMaster