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    Why is the battery of my vibration sensor draining so fast?
    What is the communication distance for a vibration sensor?
    Why isn't the indicator on after I power on the vibration sensor?
    How long before a vibration sensor goes offline in App after it is powered off or disconnected from the network?
    The vibration sensor is offline in App, but it goes online again after I press the pinhole button. Why does this happen?
    Can a vibration sensor be used independently and send audible and visual alarms?
    Which states can a vibration sensor detect?
    How long can a vibration sensor's battery last?
    Why is a vibration sensor attached to some objects always triggered incorrectly?
    What is the battery size for a vibration sensor?

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