Back in January we got our first hands-on with the Roost at CES, but anyone who’s ever used a 9-volt battery is already familiar with the product. The only difference is that this 9-volt includes built-in wifi to give your standard smoke detector the ability to send alerts to your smartphone.
What home appliance do you hate the most? Odds are good it’s the smoke detector — that incessantly chirping, totally inconsistent mess of beige plastic that we can only hope actually works when needed. That may be about to change: Today, Nest Labs unveiled Protect, a Wi-Fi connected alarm that lets you keep tabs on…