CES 2019: First Alert Previewing New HomeKit-Enabled Smoke Detector-and-Speaker With Mesh Wi-Fi and AirPlay 2

First Alert today announced that it will be previewing a new model of its Safe & Sound smoke and carbon monoxide detector, which doubles as a speaker, at CES 2019 in Las Vegas. The new model will remain compatible with HomeKit, allowing it to be controlled in the Home app on iOS and macOS and with Siri voice commands. The second-generation Safe & Sound features mesh Wi-Fi technology, delivering expanded and stronger Wi-Fi connectivity throughout the home, according to First Alert. And coming "so...