The RSA-400 looks like your ordinary, everyday smoke detector. The included Roost Smart Battery enables it to connect to your Wi-Fi network, and that’s how it sends alerts to your smartphone if the ...
Roost's new battery brings mobile brains to old smoke detectors (hands-on) The Roost Smart Battery packages Wi-Fi connectivity into a 9-volt package. Put it into your old smoke detector, and you'll ...
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