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821LMB-2SENSOR - LiftMaster Additional Garage Door Sensor (for 821LMB Retrofit)

821LMB-2SENSOR - LiftMaster Additional Garage Door Sensor (for 821LMB Retrofit)
821LMB-2SENSOR - LiftMaster Additional Garage Door Sensor (for 821LMB Retrofit)
Item# 821LMB-2SENSOR

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Please Note: The LiftMaster 821LMB-2SENSOR additional garage door sensor has been discontinued without replacement.

LiftMaster 821LMB-2SENSOR Product Description:


The LiftMaster® 821LMB-2SENSOR is an additional garage door sensor for the LiftMaster 821LMB myQ® smart garage hub. With the 821LMB-2SENSOR you can add the myQ to a another garage door to monitor and control your second garage. The LiftMaster 821LMB MyQ® smart garage hub is a universal smartphone garage door controller that is compatible with most opener brands. Imagine receiving an alert if you left your garage open. Or being able to turn on your lights when you're not home. The LiftMaster 821LMB smart garage hub lets you monitor, open and close your garage door from anywhere and control home lighting all from your smartphone, tablet or computer.

Easily add the 821LMB MyQ smartphone control to virtually all other garage door openers in North America that have safety photo eyes. The LiftMaster 821LMB is an garage door retrofit for interative capabilities. Using the 821LMB, and the compatible app you can now remotely control your garage door from anywhere. The MyQ Smart Garage Hub is compatible with most garage door opener brands manufactured after 1993.

The 821LMB contents include; (1) WiFi Hub, (1) Door Sensor (additional sensor sold separately as 821LMB-2SENSOR), (1) Power Adapter, (1) Installation Manual, (1) Set of Mounting Hardware.

Product Features:

  • MyQ Technology: enables you to securely monitor and control most garage door opener brands, along with home lighting, with your smartphone, tablet or computer.
  • Alerts: can be received as email or pop-up (push) notifications on your mobile device so that you always know the status of your garage door and home lighting.
  • Controls up to two garage doors: at once (requires extra door sensor, sold separately 821LMB-2SENSOR) and up to 16 MyQ-Enabled devices.
  • WiFi Hub: mounts near garage door opener and plugs into outlet. The hub wirelessly communicates with the garage door opener over your home's WiFi.
  • MyQ Radio: Provides 2-way communication from garage door opener and MyQ Accessories. Enables monitoring and control of garage door openers and lighting controls via smartphone, tablet or computer.
  • Amazon In-Garage Delivery: Enables secure in-garage delivery for Amazon Prime packages. Eligible Prime Members simply download the Key by Amazon App and link it to your myQ account.
  • Compatible App Platforms: Alarm.com, Amazon, Apple® HomeKit™, Clare Controls, Resideo, IFTTT, Tend, Wink, Xfinity®

LiftMaster 821LMB-2SENSOR Product Specifications:


  • Dimensions (WiFi Hub): 4.5" L x 4.5" W x 1" H
  • Dimensions (Door Sensor): 2.25" L x 2.75" W x 0.75" H
  • WiFi Hub: Wirelessly Communicates with the Garage Door Opener via 900 MHz MyQ. Mounts Near the Garage Door Opener and Plugs into an Outlet.
  • WiFi Network: 2.4 GHz, IEEE 802.11 b/g/n, Security: WPA2, WPA and WEP
  • MyQ Radio: 902-928 MHZ Frequency Hopping Spread Spectrum
  • Door Sensor Mounting: on the Garage Door
  • Warranty: 1 Year

LiftMaster 821LMB-2SENSOR Product Compatibility:


•Genie® Intellicode® (315, 390 MHz)
•Linear® MegaCode® (318 MHz)
•Stanley® SecureCode® (310 MHz)
•Overhead Door® CodeDodger® (Intellicode 315, 390 MHz)
•Wayne Dalton® KeeLoq® (372.5 MHz)
•Craftsman® (310, 315, 390, 433.30, 433.92, 434.54 MHz)
•Chamberlain® (310, 315, 390, 433.30, 433.92, 434.54 MHz)
•LiftMaster® (310, 315, 390, 433.30, 433.92, 434.54 MHz)
•Raynor® (310, 315, 390, 433.30, 433.92, 434.54 MHz)

LiftMaster 821LMB-2SENSOR Tools Needed:


•Drill
•5/32"Drill Bit
•Screwdriver
•Ladder
Q & A's :

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