First Alert Smoke & Carbon Monoxide Alarm - New

Model: SC‑9120B (also branded SMICO100‑AC on First Alert site) Retail Price: US $59.99–$79.69; Canadian retail around CAD 80–90 Product Details (from First Alert): • 2‑in‑1 smoke + CO detection • Hardwired 120 VAC with quick‑connect wiring harness • Interconnects with other First Alert/BRK hardwired alarms • 9 V battery backup (ensures operation during power outages)  • Test/silence button; separate indicators for smoke & CO; 10‑year limited warranty  • UL‑certified, plastic housing, universal mounting bracket  Key Features: • Hard‑wired interconnection: When one alarm activates, all alarms on the circuit (up to ~18 devices) will sound  • Quick‑connect plug: Makes installation and replacement fast and easy—no rewiring • Battery backup: Keeps it operational during outages; removable 9 V battery • Dual sensors: Ionization smoke + electrochemical CO for comprehensive detection

• ConditionNew