Home Slickdeals First Alert Smoke Detector and Carbon Monoxide Detector Alarm | Battery Operated,... Slickdeals First Alert Smoke Detector and Carbon Monoxide Detector Alarm | Battery Operated, SCO5CN $18.05 By ARCOM - 1 October 2019 124 0 SHARE Facebook Twitter Go to the deal page: First Alert Smoke Detector and Carbon Monoxide Detector Alarm | Battery Operated, SCO5CN $18.05