Traditional Culture Encyclopedia - Hotel accommodation - Hotel smoke alarm monitoring
Hotel smoke alarm monitoring
It's called a cigarette lighter. It's used to report fire. When the smoke or dust in the room reaches a certain concentration, the detector will send back a fire alarm signal to the fire control room. The alarm is that the signal light is always on and flashes every 3 seconds.
Note that the detector has a coded address, so the duty room can clearly locate which room the alarm is in after the alarm.
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