New QLD smoke alarm laws have been implemented due to several fires which have resulted in multiple fatalities. Read on..

Coronial inquest findings noted that had each property been fitted with functioning smoke alarms the occupants may have stood a better chance of survival.

Early smoke / fire detection improves escape time from a burning building. During a fire emergency, it was not only the heat and flames themselves which presented a life-threatening hazard, many victims were first overcome by an accumulation of smoke and toxic fumes.
https://www.photoelectricsmoke....alarms.com.au/new-ph