Hardwired Smoke And Carbon Monoxide Alarm With Ionization Sensor, 120V AC, 9V Battery Backup

Hardwired smoke and carbon monoxide alarm with ionization sensing for smoke and an electrochemical sensor for carbon monoxide gas. It operates on a 120V hardwired power source and includes a 9V alkaline battery backup.

• 85 dBA audible alarm
• Red LED hazard indicator
• Test-Hush button
• Interconnects with up to 18 compatible smoke, heat, or carbon monoxide alarms
• Connects with up to 6 compatible strobe lights or relay modules
• UL Listed