

The Smoke and CO Alarm Nest Protect (part number S3004PWBUS) is a cutting-edge device that ensures optimal safety in your home. It features a battery-powered design, connected capability, and a 10-year CO sensor lifetime. This alarm self-tests sensors and batteries over 400 times a day, providing unparalleled reliability. Compatible with various smart home systems, this Nest Protect model offers a 3-year warranty extension when installed by a Nest Pro, totaling 5 years of coverage.