Nest Protect Smoke Plus Carbon Monoxid, Battery (2nd Generation)

Product Highlights

• Nest Protect is a smoke and carbon monoxide alarm with a split-spectrum smoke sensor to detect both fast -and slow-burning fires.
• It can send an alert to your phone, speak to you and even light the way in the dark
• The Split-Spectrum Sensor looks for both fast-and slow-burning fires. It also has a 10 year CO sensor so that it can tell you where poisonous, invisible CO is hiding
• You'll know, from anywhere. Nest Protect can alert your phone when something is wrong at home.