When the battery voltage is lower than 2.2V, the
sensor will send message to the Smart Station and
the LED indicator will flash every 5 seconds to
remind you to change the battery.
After pull out the old battery, please wait for about
5 seconds before installing a new battery.
If the sensor is not used for a long time, it is
recommended to take out the battery.
Please do not install the sensor on a metal door or
window to avoid affecting the wireless
transmission distance.
This product is not waterproof, please do not use it
outdoors in the open air.
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NOTICE
