Nest Protect 2nd Generation Smoke Carbon Monoxide Alarm – Wi-Fi/Bluetooth 4.0 LE/802.15.4 – Android/iOS – White – 3 Pack

Get the ultimate smoke alarm for your home with the Protect Wired Smoke and Carbon Monoxide Detector from Nest. This advanced re-design has an industrial-grade smoke sensor can be silenced from your phone tests itself automatically and lasts for up to 10 years. Just like the original Nest Protect it also tells you what’s wrong so you know what to do and where to go and can even conveniently alert your phone in the event of an unforeseen event. Its super-efficient sensor detects both fast and slow burning fires.