Nest Protect 2nd Gen S3000BWES Smart Smoke/Carbon Monoxide Battery - White

Protect your loved ones and your home Detects levels of smoke and carbon monoxide within the home and tests itself automatically. Receive clear direction in an emergency Alarm 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 smartphone Provides 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. Get an early warning signal If a cooking mishap leads to a small amount of smoke, Nest Protect will let you know without setting off the full alarm. Stay on top of any situation Synchronized sensors ensure that when 1 alarm senses danger, every alarm in the house will make you aware of the situation. Light your path at night Pathlight illuminates your way in the dark. Adjust its brightness, leave it on as a nightlight or turn it off from the Nest Protect app.