Home Slickdeals First Alert BRK SC7010B Hardwired Smoke and Carbon Monoxide (CO) Detector with... Slickdeals First Alert BRK SC7010B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup at Amazon for $27.41 By ARCOM - 13 May 2021 81 0 SHARE Facebook Twitter Go to the deal page: First Alert BRK SC7010B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup at Amazon for $27.41