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Knowledge Base

Alarm.com Temperature Sensor - Battery Replacement

The Alarm.com Temperature Sensor requires one CR123A 3.0V lithium battery. 

To replace the battery in an Alarm.com Temperature Sensor:

  1. Using a flathead screwdriver, pry open the right side of the temperature sensor.

    RTS 2.png
     
  2. Remove the old battery, then insert a new CR123A 3.0V lithium battery.

    Replace RTS batteries (Resized).png
     
  3. Snap the cover back into place.