Unsure what smoke alarm to consider recommending to those who reside in your jurisdiction, or even to install in your own home? Here are links to research articles from several sources to assist you. You’ll notice that several models appear in multiple reports. https://reviews.chicagotribune.com/reviews/best-smoke-detectors
https://www.businessinsider.com/best-smoke-detector
https://www.safewise.com/resources/smoke-alarm-buyers-guide/
https://www.safety.com/smoke-detectors/ https://www.consumerreports.org/smoke-carbon-monoxide-detectors/best-smoke-and-carbon-monoxide-detectors-of-the-year/
https://www.nytimes.com/wirecutter/reviews/best-basic-smoke-alarm/