LiftMaster 821LM MyQ Universal Retrofit Garage Door Controller - GEOARM Security®

LiftMaster 821LM MyQ Universal Retrofit Garage Door Controller
LiftMaster 821LM MyQ Universal Retrofit Garage Door Controller
Item# 821LM
List Price: $179.98
Your Price: $119.99

LiftMaster 821LM Product Description:


The LiftMaster® 821LM MyQ® is a universal smartphone garage door controller. 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 821LM MyQ Garage does this by letting you monitor, open and close your garage door from anywhere and control home lighting…all from your smartphone, tablet or computer.

Easily add the 821LM MyQ smartphone control to virtually all other garage door openers in North America that have safety photo eyes. The LiftMaster 821LM is an garage door retrofit for interative capabilities. Using the 821LM, and the Alarm.com app you can now remotely control your garage door from anywhere.

The 821LM contents include; (1) WiFi Hub, (1) Door Sensor (additional sensor sold separately as p/n 041D7924-1), (1) Power Supply, (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) and up to 16 MyQ-Enabled devices.
  • Wi-Fi Hub: mounts near garage door opener and plugs into outlet. The hub wirelessly communicates with the garage door opener over your home's Wi-Fi.
  • Door Sensor: mounts on the garage door.

LiftMaster 821LM 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
  • MyQ Radio: 902-928 MHz, 50 Channel FHSS (Frequency Hopping Spread Spectrum) Provides two-way communication from garage door opener. MyQ Accessories Enables remote closing of garage door with key. MyQ Accessories and Control Panels enables monitoring and control of garage door openers and lighting controls via internet-enabled computer or smartphone. *Requires LiftMaster821LM MyQ Garage

LiftMaster 821LM Product Compatibility:


•Genie® ( Intellicode 315, 390 MHz)
•Linear® (MegaCode 318 MHz)
•Moore-o-Matic® (MegaCode 318 MHz)
•Stanley® (SecureCode 310 MHz)
•Overhead® (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)

Q & A's : LiftMaster 821LM MyQ Universal Garage Door Controller


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