Home Home & Garden First Alert Onelink Safe & Sound Alexa-Enabled Smoke & Carbon Monoxide Detector... Home & Garden First Alert Onelink Safe & Sound Alexa-Enabled Smoke & Carbon Monoxide Detector w/ Speaker $149.99 By ARCOM - 7 June 2021 125 0 SHARE Facebook Twitter Go to the deal page: First Alert Onelink Safe & Sound Alexa-Enabled Smoke & Carbon Monoxide Detector w/ Speaker $149.99