This add-on door sensor works with your myQ® Smart Garage™ Hub or myQ Garage™ to monitor and control a second garage door opener.
- Compatible with the myQ Smart Garage Hub (821LMB) and myQ Smart Garage Hub (821LM)– sold separately.
- Please note: This product replaces both 821LM-SENSOR and 821LMB-SENSOR and can be used as a replacement for either one.
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