Home Home & Garden First Alert 2-in-1 Z-Wave Smoke & Carbon Monoxide Detector $26.54 Home & Garden First Alert 2-in-1 Z-Wave Smoke & Carbon Monoxide Detector $26.54 By ARCOM - 5 December 2017 194 0 SHARE Facebook Twitter Go to the deal page: First Alert 2-in-1 Z-Wave Smoke & Carbon Monoxide Detector $26.54