Home Home & Garden First Alert Z-Wave Smoke Detector & Carbon Monoxide Alarm (2nd Gen) $31.39 Home & Garden First Alert Z-Wave Smoke Detector & Carbon Monoxide Alarm (2nd Gen) $31.39 By ARCOM - 17 March 2021 105 0 SHARE Facebook Twitter Go to the deal page: First Alert Z-Wave Smoke Detector & Carbon Monoxide Alarm (2nd Gen) $31.39