DesignLine Door Contact (TX-1010-01-1)
Find the notch at the top of the device.
Using a screwdriver, pry off the cover of the device.
Gently remove the batteries.
Note the battery terminals (+, -). Putting Batteries in Backwards can damage the Device.
Place new batteries in the device (2 x CR2032).
Replace the cover on the device. Press in until you hear a click.
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