A startup has an idea that will make any smoke detector 'smart' - a WiFi connected battery. Instead of replacing existing units with a Nest Detector costing a hundred dollars or more, Roost sells a replacement battery for 65% less that claims to bring 'dumb' smoke detectors into the cloud.
However, Roost does not offer the full range of features that Nest does. Are those shortcomings that will chance prospective customers away? We take a deeper look at Roost smoke detector batteries inside.