Google - Nest Protect 2nd Generation Smart Smoke/Carbon Monoxide Wired Alarm - White

Nest Protect reliably detects and alerts you to the presence of smoke or carbon monoxide in your home. The alarm speaks to you in a calm, clear, human voice, telling you the location of the danger. It also provides smartphone alerts and battery status updates to help protect your home. This hardwired version is suitable for homes with existing hardwired smoke or CO detectors.!-- split --Protect your loved ones and your homeDetects levels of smoke and carbon monoxide within your home and tests itself automatically.Receive clear direction in an emergencyAlarm speaks to you with a human voice and tells you the location and levels of smoke or carbon monoxide when they are present.Send alerts to your smartphoneProvides battery and sensor status notifications so you're always informed, and safety history so you can see what happened over the last 10 days. You can even silence the alarm from your smartphone.Hardwired connection provides dependable powerWired directly to your electrical system