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    What should I consider when installing an audible and visible alarm?
    How long can an audible and visible alarm's battery last?
    The audible and visible alarm is offline in App, but it goes online again after I press the pinhole button. Why does this happen?
    What is the communication distance for an audible and visible alarm?
    How to cancel the alarm of the sound and light alarm?
    How long can data about the audible and visible alarm be kept?
    How long before an audible and visible alarm goes offline in App after it is powered off or disconnected from the network?
    How does an audible and visible alarm work? How long will an audible and visible alarm persist?
    Why isn't the indicator on after I power on the audible and visible alarm?
    Does an audible and visible alarm support sending notifications?

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