First Alert Hardwire Smoke Alarm with Voice Alerts

Price: $34.90
(as of Oct 04, 2026 21:23:09 UTC – Details)


First Alert SM100V-AC, Interconnect Hardwire Smoke Alarm with Battery Backup & Voice Alerts, 1-Pack
Precision Detection advanced sensing technology reduces cooking nuisance alarms and delivers early warning
Voice & location alerts tell you the location of danger
Latching Alarm Indicator visually identifies the unit that initiated the alarm or low battery
Battery backup provides continuous protection during power outages
Test/Silence button allows for efficent testing and temporarily silences alarm for up to 8 hours
Customers find the smoke alarm easy to install and appreciate its hardwired connection and security features. The battery life is good, with one customer noting the AA battery backup option. However, the voice announcements feature receives mixed feedback, with several customers finding it almost worthless. Additionally, customers report issues with random false alarms in the middle of the night.