Liberty Security
            Help Center FOR CUSTOMERS DEVICES Motion Detector

            Motion detector - Changing batteries

            The Motion sensor requires (2) - 'AA' Lithium batteries. You can purchase these batteries at stores like Walmart, Superstore and Best Buy. Liberty recommends using one of the following:
            • Duracell® 
            • Energizer® 
            *Note: Before changing the Batteries on any of your devices, contact Liberty at 1-866-926-7233 so that your system can be put on 'Test mode' to avoid getting a tamper alert or call from the monitoring station.

            For a demonstration on how to replace the batteries please watch the following video:


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