The Kidde 21006377 is a hardwired combination smoke and carbon monoxide alarm designed for reliable, continuous monitoring in residential settings. It connects directly to household AC power and includes a backup battery for added protection during power outages. The unit provides dual-sensor detection for smoke and carbon monoxide, helping alert occupants to multiple hazards from a single device. Intended for use in hallways, bedrooms, and other key living areas, it meets common residential safety requirements.

Condition:
• New – unused item.

Important Notes:
• [Note] Outer box shows shelf wear from storage and handling.

What’s Included:
• Kidde 21006377 Hardwired Smoke & Carbon Monoxide Alarm
• Original retail packaging