Home Slickdeals First Alert Z-Wave Smoke Detector & Carbon Monoxide Alarm (2nd Generation) $29... Slickdeals First Alert Z-Wave Smoke Detector & Carbon Monoxide Alarm (2nd Generation) $29 + Free Shipping By ARCOM - 22 November 2022 43 0 SHARE Facebook Twitter Go to the deal page: First Alert Z-Wave Smoke Detector & Carbon Monoxide Alarm (2nd Generation) $29 + Free Shipping