Bests & Worsts Reviews from Amazon

Know your sensor, do you research! Understanding "Photoelectric" detectors vs "Ionization" detectors, this knowledge could save your life. This is an Ionization Sensor plus CO Sensor , but does not do well with Smoke. I tested this myself with a smoke bucket, and could not get this alarm to go off. Im sure direct heat would have triggered the detector at some point, but why hold your breath waiting for smoke or smoldering fires. I purchased a similar detector that uses photoelectric, plus CO which immediately went off when I tested. Considering most people die of smoke inhalation, I prefer my family not wait on the flames. If you are confused take a look at some of the reports on YouTube in regards to Ionization alarms, which use old technology to alert of fast moving fires. Furthermore, Photoelectric sensors from all the manufactures are priced about the same these days.