Carbon Monoxide and Smoke Detector Electrochemical and Photoelectric Hardwired 120 V AC 3 V Battery 3-Pack P4010ACSCO-WCA

This carbon monoxide and smoke alarm combines electrochemical CO detection and photoelectric smoke sensing for comprehensive protection. Hardwired to a 120 V AC power supply with a 3 V battery backup, it ensures continuous safety. Designed for easy mounting, this 3-pack provides reliable protection in multiple areas of your home.