The GE Cync 3-Wire Smart Switch brings support for voice commands to traditional lighting fixtures and doesn't require a neutral wire, making it a good fit for homes with aging electrical systems.
The affordable, Wi-Fi-enabled Emporia Smart Plug lets you control anything you connect to it with your phone or voice and provides detailed energy usage reports.
The GE Cync Indoor Smart Plug lets you easily control traditional appliances with your phone or your voice, though it doesn't integrate with as many platforms and services as competitors.