Carbon Monoxide Smoke Alarm Protector by Nest

Brand: Nest.
• Built-in sensor that easily detects carbon monoxide which is odorless, invisible and deadly. When there's carbon monoxide, Nest Protect tells you where it's hiding..
• Get a friendly voice alert so you can handle burning toast before it becomes a burning toaster..
• Split-spectrum sensor. In an emergency, seconds count. Nest protect uses two wavelengths of light to look for both fast and slow burning fires..
• App silence. Nest protect is the first alarm you can hush from your phone. Simply walk to the Nest protect that noticed the problem and open the Nest app.. Tells you what and where. It speaks up to tell you If there's smoke or Carbon monoxide and where the problem is, so you know what to do..
• Connect to Wi-Fi and it will send an alert to your phone If the alarm goes off or the batteries run low..
• Dimensions: 5.3 x 1.5 x 5.3 inches.. Weight: 1 pounds..