$56.99 Nest Protect S3000BWGB 2nd Gen Smoke & Carbon Monoxide Detector Alarm
Google Nest Protect Battery Smoke and Carbon Monoxide Detector (4-Pack)-VB4T2B2018 - The Home Depot
Nest Protect Battery Smoke and Carbon Monoxide Detector (3-Pack)-S3006WBUS - The Home Depot
