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    Why does the PIR motion sensor always report Motion Detected after being triggered once?
    Why is the battery of my vibration sensor draining so fast?
    Is it normal if the message push is delayed when someone is passing by?
    What is the communication distance between the PIR motion sensor and the gateway?
    What is the battery size for a temperature and humidity sensor?
    What should I consider when installing a temperature and humidity sensor?
    How long before a temperature and humidity sensor goes offline in App after it is powered off or disconnected from the network?
    Why is the battery of my temperature and humidity sensor draining so fast?
    Can I install a temperature and humidity sensor in a washroom or kitchen?
    The temperature and humidity sensor is offline in App, but it goes online again after I press the pinhole button. Why does this happen?

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