Roost Specialty Battery

About product

• End the 3 AM chirp - notifies you before the battery runs out.

• Alarm notifications delivered to you, wherever you are.

• Share alerts with friends, family, and emergency contacts.

• Replaceable battery lasts 5-plus years.

• Installs in less than 5-minutes - no tools or wireless hubs needed.


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That's roughly the same amount of time as Nest's app took to alert

Roost's integration with other smart home systems is fairly limited. You can connect it to other devices only via IFTTT; by comparison, the Nest Protect can directly connect to a host of smart home devices. If you're looking for the best smart smoke detector, the Nest Protect can't be beat.

Capable of picking up smoke

Now, after launching the app, you merely have to connect to the battery's Wi-Fi, and then connect the battery to your home Wi-Fi network; that approach is similar to those found with most other smart home devices, such as smart plugs.

As it's only a battery, the Roost can't detect smoke or carbon monoxide. Rather, it sends you an alert when the detector in which you've installed the battery sounds an alarm. So, you'll want to make sure that whatever detector you're using is up to date and capable of picking up smoke, fire and carbon monoxide.

The bottom end, where the smarts are housed, is removable

By necessity, the Roost Smart Battery's shape hasn't changed from its original version; it's the size of a 9-volt battery, but a small speaker is built into it. The Roost should be able to fit into any smoke detector that uses a 9-volt battery.

The biggest change between Roost's first- and second-generation smart battery is that the company simplified the setup process. Previously, the battery would emit a series of beeps and squeals, which would be picked up by the Roost smartphone app, as part of the configuration process.

Photoelectric sensors can detect burning fires

One of the reasons that the Nest Protect is our favorite smart smoke detector is that its photoelectric sensors can detect both smouldering and fast-burning fires, as well as carbon monoxide. After installing the Roost into a smoke detector, then pressed the test button on the detector. A second or two after the test alarm went off, received an alert on smartphone from the Roost app, which gave the option to snooze the alarm.


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