Dual Alarm Carbon Monoxide & Smoke Alarm.Two in one alarm tests for both CO and smoke. Tests for both Carbon Monoxide and SmokeOperates on a 9v battery (included)6 Year Operating lifePowerful 85dB speakers2 LED readouts 6 year guaranteeEasy to installIndivdual Smoke & Co test buttons This clearance item may take a little longer to deliver as we may need to move stock around within the company. DISCONTINUED - Arctic SleepSafe Co2 and Smoke Alarm