Hard-wired into your home's electrical system, Google Nest Protect Second Wired Smoke and Carbon Monoxide Alarm will speak its warning if it detects smoke or CO in the air. If you connect to WiFi, you will receive warnings on your phone.
Google Nest Protect Second Wired Smoke and Carbon Monoxide Alarm speaks up to tell you the level of smoke or CO and where it is coming from
Detector must be hard-wired to your home's electrical system
Connect the alarm to Wi-Fi to receive phone alerts if the alarm goes off or the batteries run low
Alert may be turned off from your phone
Split-spectrum sensor uses 2 wavelengths of light to look for both fast and slow burning fires
Tests itself 400/day. Everything is working when a green light glows