The Nest Protect allows you to easily silence ... models and feel confident in recommending this one. Types of smoke detectors Battery-powered units: These are entirely powered by their batteries ...

which is much better than the mystery squeal that comes from most smoke detectors when the battery is dead. This is the second product from Fadell and Nest. The first product was the Nest ...

The Nest Protect smoke and CO alarm from Google is a great ... regardless of whether the low-battery alarm sounds. Even if the batteries in a carbon monoxide detector are changed regularly ...

Fadell is the electric CEO of Nest, which makes an Internet connected thermostat and smoke/carbon monoxide detector. Prior to founding Nest, he led Apple's iPod group, and worked on the iPhone.