Home Smart Home Nest Protect Smoke & Carbon Monoxide Alarm Detector (2nd Gen, 2-Pack) $199.98 Smart Home Nest Protect Smoke & Carbon Monoxide Alarm Detector (2nd Gen, 2-Pack) $199.98 By ARCOM - 19 April 2020 133 0 SHARE Facebook Twitter Go to the deal page: Nest Protect Smoke & Carbon Monoxide Alarm Detector (2nd Gen, 2-Pack) $199.98