Home Fall Sales First Alert SCO5CN Battery Operated Smoke & Carbon Monoxide Detector $22.36 Fall Sales First Alert SCO5CN Battery Operated Smoke & Carbon Monoxide Detector $22.36 By ARCOM - 26 October 2018 155 0 SHARE Facebook Twitter Go to the deal page: First Alert SCO5CN Battery Operated Smoke & Carbon Monoxide Detector $22.36