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How to properly replace the batteries in your alarm system’s sensors

How to Change the Battery in a RE222 Sensor
How to Change the Battery on a Honeywell 5811 Window Sensor
How to Change the Battery on a Honeywell 5820 Window Sensor
How to Change the Battery on a Honeywell 5814 Window/Door Sensor
How to Change Batteries on a Honeywell 5890 Motion Sensor
How to Change Batteries in a Honeywell 5898 Motion Sensor

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