Solid one piece resin block

Your Smart Assistance

Rich mixed materials combine for lux feel

It features a large pickup and broadcasting range

Pre-drilled mounting holes in back for door mounting

Smoke Alarm - Smoke Detector and Carbon Monoxide Detector Solid one piece resin blockGoogle Nest Protect Smoke Alarm Smoke Detector and Carbon Monoxide Detector Battery Operated, White S3000BWES Smoke detector and carbon monoxide detector that speaks up in a friendly voice to give you an early warning when there's smoke or CO in your home Split Spectrum Sensor looks for both fast burning and smoldering, and tells you where the danger is Get phone alerts so you know something's wrong even when you're away from home CO detector looks