I decided it was time to replace all our smoke / fire alarms in the house since I wasn’t very confident about their alarm capabilities and I decided on the latest generation Nest Protect. I learned that they weren’t even connected to each other! If you are in the same situation as me where you are concerned with the safety of your family, this is a video you’ll want to watch. Please feel free to share with your friends. Nest wired: Nest battery: Testing the Nest Protect: Setting up Nest: Music: Podington Bear - K2