This video shows you exactly how to change the melody for any sensor on your Guardline Alarm | Guardline Security
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This video shows you exactly what to do to add an extra receiver to your Guardline alarm setup. | Guardline Security
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Curious about how to get the most out of your Guardline? Joanna walks you through important details of your system, including the eye cover, viewing width, removing the back of the sensor, replacing batteries, and so much more. Check it out... | Guardline Security
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