Does the smoke fire alarm in each room of the hotel alarm when it encounters smoke? Can smoking cause?
I know that the cigarette smoke alarms installed in the hotel can be used to smoke when they smoke, and the sensitivity to smoke is very high.
No, smoke sensors in general is smoke reaches a certain range will start, the main device is a smoke concentration sensor, the concentration of smoke around 300 lambda / square meters is will start. So you can smoke and light candles, but please be careful!
1, basically this means, smoke will call the police, of course, there will be a certain amount2, smoking will cause3, point candle is unlikely, the possibility is extremely small