Google Nest Protect 2nd Gen Wired Smoke & CO Alarm with Voice Alerts & App Notifications

The Google Nest Protect detects both fast and slow-burning fires, as well as carbon monoxide. It provides voice alerts with details of the issue and location. Features include a Heads-Up alert before sounding the alarm, and silencing via phone. It sends notifications if triggered or if batteries are low. Self-tests over 400 times daily, confirmed by a green glow. Offers up to 10 years of protection.