Roost Smoke Alarm Battery
batteries | gadgets | safety | November 14, 2014
If you’d rather not spend the $$$ for fancy smoke detectors, Roost might fit your bill. It works with smoke alarms that use 9V batteries, giving you alarm and low battery alerts via an app. Its not rechargeable, but it will last up to 5 years.
Crowdfunded projects pose a degree of risk for buyers, so be sure to do your research and fully read the seller's detailed description and production plans before plunking down your hard-earned money.
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