First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm with Voice

Price: $59.07
(as of Oct 03, 2026 22:12:31 UTC – Details)


Be alerted to the type of danger and its location in your home with the First Alert SMCO100V-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup and Voice & Location Alerts. Easily install using the quick connect plug. Plus interconnect compatible alarms to create a whole home alarm system to help provide an early warning. Also the alarm is also equipped with First Alert’s Precision Detection advanced sensing technology and meets new industry standards.
First Alert’s Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
Voice & location alerts tell you what the danger is and its location to help you escape safely
Through early warning interconnect, when one alarm sounds, all compatible alarms* will sound
Battery backup provides continuous protection during power outages
Quick Connect Plug allows for easy installation with no need to rewire
Customers report mixed experiences with the smoke and carbon monoxide alarm’s reliability, with some saying it works well while others report false alarms. The compatibility receives mixed feedback, with some finding it fits perfectly in existing wired connections while others note it doesn’t include the necessary adapter plug. The loudness is a concern, with customers describing it as LOUD, and customers disagree on the safety features, with some finding it safe while others consider it unsafe. The value for money is also mixed, with some considering it a good value while others say it’s a waste of money.