Introduction
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Left: Remote sensor; Right: Main unit
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In this guide, we will replace new batteries for the main unit.
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For the main unit, open the battery cover. Remove the battery cover using hands.
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Use a plastic opening tool to pry the battery up and out of ther case.
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Conclusion
To reassemble your device, follow these instructions in reverse order.
You only need to put the picture of the right one, or the main unit.
Johnny Shen -