Traditional Culture Encyclopedia - Hotel reservation - What is the reason for the flashing red dot on the top of the hotel room?
What is the reason for the flashing red dot on the top of the hotel room?
It could be a fire sprinkler. There is a flashing red dot at the top of the hotel room, which may be that the fire sprinkler is flashing, indicating that when the smoke concentration in the room exceeds the set value, an alarm will be triggered. In daily life, if you find a red dot of unknown origin when staying in a hotel, you should report it to the hotel front desk in time to avoid revealing your privacy.
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