Battery operated with 3 AA batteries included; provides protection during power outages;Battery lockout system deters closing battery compartment without installation of batteries;Test/reset button tests the unit for proper operation and resets the carbon monoxide alarm;Kidde's carbon monoxide alarms meet the requirements of Underwriters Laboratories (UL);Five year warranty

• Kidde KN-COB-B-LPM Carbon Monoxide Alarm, 6-Pack
• 6 Pack
• White

Kidde KN-COB-B-LPM Carbon Monoxide Alarm, 6-PackKidde Safety