Mode 1 - Door opening alarm for one minute In this mode: When the door/window is opened, the alarm will emit a 120dB siren sound for one minute unless you press the "SET" button to turn it off. This mode is perfect for home safety and protects you and your family from invasions.
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Mode 2 - reminder of opening the door In this mode: When the door is opened, the alarm emits a simple "Ding Dong" sound. This mode is suitable as a doorbell for office, shop, etc.
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Mode 3 - Stop the alarm when closing the door In this mode: When the door is opened, the alarm continues to emit a 120dB siren sound until the door is closed within a minute or press the "SET" button to turn it off. (If the door is not closed within a minute, the alarm will ring for one minute and then stop automatically.) This model is perfect for home, warehouse, garage etc.
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