Google Google Protect (2nd generation)

The Google Nest Protect (2nd generation) is a smoke alarm that thinks, speaks, and sends notifications to your phone. Nest Protect has been redesigned from the ground up. It features a Split-Spectrum Sensor, tests itself automatically, and has a lifespan of up to ten years. Nest Protect is also the first home alarm that lets you silence the alarm with your smartphone without any additional hardware. It tells you what the problem is and can even send a notification to your phone. If Nest Protect detects smoke anywhere, it gives you a spoken alert, and when one smoke alarm speaks, they all speak. This way, everyone in the house knows what's happening.

• Split-spectrum sensor
• Automatic self-test
• Up to 10 years lifespan
• Turn off alarm with smartphone
• Spoken warning upon smoke detection
• Durable carbon monoxide sensor
• Bright emergency light ring