Did you know that almost 1 in every 4 hime fire-related deaths in the US results from smoke alarms that did not function? Good smoke alarms are reliable over everything else. A smart home alarm alerts you over the internet.
A smart smoke alarm is perhaps the most important smart home component you can get. Get other smart home stuff like wi-fi indoor camera later.
A good smart smoke alarm will also test itself once a month to check it is working.
On that note, experts suggest we should manually test our alarms once a month and replace the batteries twice a year. And replace the smoke alarm altogether every 10 year. Fire is serious bsuiness.
The best smart smoke alarm for normal use: Nest Protect (sensitive to to slow- and fast-burning fire, expensive)
The best affordable smart smoke alarm: Roost Smart Battery (wi-fi enabled)