Protect your home against fires and smoke damage with Nest Protect. This clever little machine can check for both fast and slow burning fires, using 2x wave lengths of light to detect smoke. No matter where you are, Nest Protect will alert your phone if something's wrong, and it'll even tell you if smoke or carbon monoxide are present too. Designed for up to 10 years of use thanks to its long-life sensors, Nest Protect also checks itself over 400 times each day, and will let you know if something isn't right. You'll know, from anywhere: Nest Protect alerts your phone when something's wrong in case you're not home It looks for both fast and slow burning fires: The Split Spectrum Sensor uses two wave lengths of light to detect smoke Silence from your phone: Barely burned the popcorn, get a friendly heads up that you can silence using the Nest app It tells you if there's smoke or carbon monoxide: When something's wrong Nest Protect speaks up to tell you what's wrong and where the danger is Looks after you for up to 10 years: Its long life sensors keeps you safe and sound for up to a decade It tests itself, so you don't have to: Nest Protect checks itself over 400 times a day and lets you know if something's up It reduces false alarms by looking for steam: Nest Protect uses its humidity sensor and an advanced algorithm to look for steam Path light: You can adjust the brightness in the Nest app Low-battery: A green glow when you turn off the lights shows you everything's OK Family accounts: You can share control of the Nest products in your home easily and safely with up to nine other people