Google Nest 120V Hardwired Combination Smoke and Carbon Monoxide Detector with AA Battery Backup and WiFi Connectivity - 2nd Gen (Pro Version)

With two levels of alarms, two types of alarms, three safety sensors, three activity sensors, and a communicating LED ring, the Nest Protect is equipped to help you handle all manner of fire emergency. Getting protected is easy; the straightforward installation can be handled by any homeowner, and the free mobile app will guide you through setting up the Nest Protect and designating an installation location. The only thing better than installing a single Nest Protect is installing multiple Nest Protects, as these devices communicate with each other and share data. Don't worry about remembering to test the Nest Protect, it tests its batteries and sensors over 400 times a day.

Product Information:

Early Warning
• The Nest Protect 2nd Generation Smoke and Carbon Monoxide Detector speaks up when there's a problem. The Nest Protect tells you in a calm, human voice what and where the issue is before the alarms sounds, so you can get an early warning.
Easy Installation
• It's easy to replace your old smoke detector with the Nest Protect. Ideally the Nest Protect is installed on the ceiling and on every level of your home and inside and outside of every sleeping area.
Nest App
• Nest Protect can send you a message when there’s a problem or the batteries run low. You can also quiet the alarm from your phone.
Lights Your Way
• When you walk under your Nest Protect at night, it lights your way. Get a late night snack and see where you're going with the Nest Protect.
Smart Safety
• Able to differentiate between steam from your shower and smoke from your burning dinner, the Nest Protect is smart. The Nest Protect tells you what the problem is, whether it's smoke or carbon monoxide.
Split-Spectrum Sensor
• The Split-Spectrum Sensor detects a wide range of smoke events, including slow, smoldering fires and fast flaming fires.
Covered Under a 2 Year Limited Manufacturer Warranty

Specifications:

• Power Source: Battery, Hardwired
• Battery Requirements: 3 Lithium Batteries
• Diameter: 5-5/16"
• Depth: 1-1/2"
• Voltage: 120V