Nest Protect 2nd Gen Smoke + Carbon Monoxide Alarm, Battery
- Sends alerts to your phone in case you aren't home.
- The Split-Spectrum Sensor detects fast and slow burning fires.
- It's the ?rst home smoke alarm you can hush right from your phone or tablet without any extra hardware required.
- It speaks up to tell you what's wrong and where the problem is.
- Keeps you safe and sound for up to 10 years. The longest time allowed by law.