How to change the batteries on your micro door or window sensor

Micro Door/Window sensor - Changing batteries

The Micro Door/Window sensor requires (1) - 'CR2032' 3VDC Lithium coin-cell battery. You can purchase this battery at stores like Walmart, Superstore and Best Buy. Liberty recommends using one of the following:
  • Duracell® CR2032
  • Energizer® CR2032
  • Panasonic® CR2032
  • Varta® CR2032
*Note: Before changing the Batteries on any of your devices, please ensure that your security system has been disarmed.
For a demonstration on how to replace the batteries and realign the sensor please watch the following video:
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