Nest Protect 2nd Generation - Multipurpose sensor - wireless - 802.11b/g/n, Bluetooth 4.0, 802.15.4 - white

Expect more from your smoke alarm. Just burned the popcorn? Silence the false alarm with your phone, not your dish towel.

Key Features and Benefits: The Nest Protect smoke and CO alarm speaks up in a friendly voice to give you an early warning when there's smoke or carbon monoxide in your home The Split-Spectrum Sensor uses two wavelengths of light to look for both fast-burning and smoldering fires; plus, the CO detector looks out for carbon monoxide and tells you where it's located When one Nest Protect speaks, so do all the others in your home; the alarm in your kitchen can tell you if there's smoke upstairs Easily set up your smoke and CO alarm in just minutes using the Nest app Know when something's wrong, even when you're away from home If everything's under control and there's only a little smoke, App Silence lets you quiet the alarm from your phone No more low-battery chirps at 2 AM: Nest Protect tests its own batteries and gives you a Nightly Promise when you turn off the lights - the green glow lets you know everything is working If you need a glass of milk in the middle of the night, Pathlight lights your way Use Safety Check to test all your smoke and CO alarms with just a tap, and get a full report once the test is done Nest Protect has sensors with a 10-year lifespan to keep your family safe for up to a decade