X-Sense 10-Year Battery Combination Smoke Carbon Monoxide Alarm Detector with Large LCD Display, Standalone Model, 5-Pack
- 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[1].
- CO detector looks out for carbon monoxide and tells you where it's located.
- With App Silence you can silence the smoke alarm with your phone in the Nest app when there's only a little smoke.