Important Notice: This item is final sale and non-returnable.
MyQ Garage Door Sensor Additional Door Sensor for 821LM LiftMaster. Easy wireless install to install in the garage (2.4 GHz WiFi signal required). Monitor open and close your garage door and control home lighting all from a smartphone tablet or computer with MyQ Technology.
Manufacturer SKU: 821LM-SENSOR
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.