Home Home & Garden First Alert SCO5CN Battery Operated Smoke & Carbon Monoxide Detector $22.36 Home & Garden First Alert SCO5CN Battery Operated Smoke & Carbon Monoxide Detector $22.36 By ARCOM - 5 October 2018 172 0 SHARE Facebook Twitter Go to the deal page: First Alert SCO5CN Battery Operated Smoke & Carbon Monoxide Detector $22.36