The smoke alarms detectors are very important, in the sense that it saves lives. The smoke alarms detector that is installed and maintained properly play a vital role in controlling fire. Smoke Alarms are a must when you are residing anywhere in the USA. They are used to prevent accidents and save lives. Smoke detectors have been given prime importance owing to strong need. Not having a smoke alarm in your house can be reckoned as a major offense. Heat detectors paved way for smoke detectors. Though unlike heat detectors, smoke alarms detect changes more quickly. The majority of fire mishaps occur when the smoke detector is not working properly or when one is not installed. Smoke detectors can be ionized or photoelectric in working. A combined version of both is also available in the market. IONIZATION SMOKE DETECTORS  An ionization smoke detector’s working principle is based on using radioisotopes. They work faster than photoelectric alarms, in comparison to fast flame fires. I