Google NES-S3005PWLUS Nest GS3005PWLUS Protect Smoke & CO2 Detector Hard Wire

Phone alerts include: Low-battery Smoke & Carbon monoxide Sensor failure Split-Spectrum Sensor Voice alarms with custom location Nest app App Silence Detects carbon monoxide 10-year product lifetime Safety Checkup Heads-Up alerts Sound Check Self Test Nightly Promise Pathlight Steam Check Wireless Interconnect Safety History What To Do Home Report Emergency clip record with Nest Cam Hard Wired