Hardwired Smoke Alarm With 9V Battery Backup, Interconnect Capable Smoke Detector With Test Reset Button, 85 Decibel Alarm And Red LED, Ionization Sensor Plus Electrochemical CO Sensor, 120V Powered, Easy Install, White

Hardwired smoke alarm (single unit) with 9V backup
✔️ 120V powered with 9V backup; interconnect up to 18 alarms

This hardwired detector combines ionization fire sensing with an electrochemical CO sensor, delivering fire and gas detection for homes and apartments. It runs on a 120V power source with a 9V alkaline backup for reliability during outages.

✅ Ionization sensor detects invisible fire particles
✅ Electrochemical CO sensor detects CO gas
✅ 85-decibel alarm with red LED indicator
✅ 120V powered with 9V backup for power loss protection
✅ Test-Hush button for testing battery operation and silencing nuisance alarms
✅ Interconnection capability up to 18 alarms
✅ UL Listed with a 10-year limited warranty

💡 What is a hardwired smoke alarm with CO sensor used for in a home safety system? This device helps protect people and property by detecting both smoke and carbon monoxide. - Provides early warning of fire and CO presence - Interconnects with multiple alarms for coordinated alerts - Runs on 120V power with 9V battery backup for outage protection - UL Listed and NFPA compliant for safety standards

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