First Alert BRK Interconnect Battery-Operated Combination Smoke & Carbon Monoxide Alarm with Voice Alerts, 1-Pack

First Alert BRK Precision Detection advanced sensing technology reduces cooking nuisance alarms and delivers early warning Wirelessly interconnects with most First Alert and BRK alarms so when one sounds, all compatible alarms sound to provide an early warning Voice & location alerts tell you what the danger is and its location Test/Silence button allows for efficient testing and temporarily silences alarm for up to 8 hours End-of-life warning lets you know when it’s time to replace the alarm Style: Smoke, Carbon Monoxide Power Source: Battery Powered Color: White Alarm: Smoke, Carbon Monoxide Sensor Type: Photoelectric