Wirelessly interconnected carbon monoxide (CO) alarm with voice and location alert

Wirelessly interconnected carbon monoxide (CO) alarm with voice and location alert

The First Alert CO511B Wireless Interconnected Carbon Monoxide Alarm with Voice and Location detects elevated levels of carbon monoxide and can work with compatible models to create a wireless alert system throughout your home. This battery-operated, wireless-enabled CO detector alerts you with voice alerts that include a loud 85-decibel alarm. Interconnected wireless technology allows other compatible First Alert wireless alarms located in separate areas of your home to communicate with each other, alerting you to a problem even when you are on another floor. The carbon monoxide alarm features an electrochemical sensor.