Traditional Culture Encyclopedia - Hotel franchise - There is something on the roof of the hotel, which lights up for a while, or flashes twice suddenly, and occasionally lights up for a long time. What is this?
There is something on the roof of the hotel, which lights up for a while, or flashes twice suddenly, and occasionally lights up for a long time. What is this?
There is something on the roof of the hotel, which will light up soon. This is a smoke detector, which belongs to fire fighting equipment. The device is connected to the dry powder spraying pipeline. Once the indoor smoke reaches the set concentration, the alarm will be triggered immediately, and the dry powder fire extinguishing mode will be started, which is convenient for quick extinguishing in the early stage of the fire and ensures personal and property safety.
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