Smoke alarms, also called smoke detectors, are the first step with fire protection. They detect smoke which indicates of the presence of a fire or a smouldering burn which can go on for several minutes before bursting into flames. When smoke is detected, a loud (and with some models visual) signal is emitted from the device, to alert you to the problem. This gives you critical extra time you need to respond to the issue or evacuate from the building and save your life.
Many studies have found that you are up to three times more likely to survive a house fire if your home has working smoke alarms. They are mandatory for your home with legislation in all Australian states requiring their installation. Family First specialise in photoelectric smoke alarms (why?) with this range: