First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup and Voice & Location Alerts, SMCO100V-AC, 2-Pack

Price: $105.85 - $93.81
(as of Oct 08, 2026 00:25:44 UTC – Details)


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.
Advanced Detection Technology: First Alert’s Precision Detection 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 Alert System: Features voice alerts that indicate both the type of threat (smoke or CO) and specific location of danger with capability to program up to 11 locations
Interconnect Compatibility: Can be connected with other First Alert, Kidde, BRK and FireX alarms for comprehensive home protection coverage
Power Source: Hardwired 120-volt installation with battery backup ensures continuous protection even during power outages
Easy Installation: Includes universal adaptors for quick installation with existing alarm systems without requiring rewiring
Safety Standards: Meets UL217 8th Edition Smoke Standards and UL2034 4th Edition Carbon Monoxide Standards for reliable protection
Product Longevity: Features end-of-life chip indicator to notify when unit replacement is necessary and comes with 10-year warranty coverage