Google Nest Protect - Smoke Alarm and Carbon Monoxide Detector - Wired S3003LWES - The Home Depot
Google Nest Protect - Smoke Alarm and Carbon Monoxide Detector - Battery Operated S3000BWES - The Home Depot
Google Nest Protect Smart Smoke and Carbon Monoxide Detector Alarm (Battery) in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com