Home Slickdeals Prime Members: First Alert Z-WAVE Combination Smoke & CO Alarm, Works with... Slickdeals Prime Members: First Alert Z-WAVE Combination Smoke & CO Alarm, Works with the Ring Alarm Security Kit $34.79 By ARCOM - 15 July 2019 137 0 SHARE Facebook Twitter Go to the deal page: Prime Members: First Alert Z-WAVE Combination Smoke & CO Alarm, Works with the Ring Alarm Security Kit $34.79