FIRST ALERT(R) 1039734 Plug-in Carbon Monoxide Alarm with Battery Backup

• Model number CO605;• Alerts to dangerous carbon monoxide levels;• Most accurate electrochemical carbon monoxide sensor technology;• Battery backup allows for continuous monitoring during power outages;• Loud 85 dB alarm sounds when carbon monoxide levels are elevated;• Single test/silence button for simple operation;• Includes 9V battery;Length: 8.50"Width: 6.75"Height: 2.25"