Product Description

First Alert 10-Year Battery Photoelectric CO400 Carbon Monoxide and SM210 Smoke Alarm Value Pack. Provides protection against fire and carbon monoxide (CO). The SM210 Smoke Alarm features First Alert’s Precision Detection advanced sensing technology and meets the latest industry standards. The CO400 carbon monoxide alarm easily installs and provides reliable CO protection.

Features:

• Precision Detection advanced sensing technology
• Complies with industry standards to reduce cooking nuisance alarms
• Both detectors include a test/silence button for efficient testing to ensure the detector is working properly
• 10-year sealed battery eliminates battery replacements and low battery chirps for the life of the smoke alarm
• Slim profile design is half the depth of a standard smoke alarm
• End-of-life warning lets you know when its time to replace the smoke alarm
• CO detector includes an easy access battery door allows for easy battery replacement

Additional Information