Limited third-party integrations With the Ezviz T30-10B Smart Plug ($19.99), you can turn ordinary electronics into smart home devices that you can control with your phone or with your voice. This slim single-outlet smart plug won't block access to a second receptacle and is easy to install. It also supports Amazon Alexa and Google Assistant voice control and can tell you how much power you're using. That said, it costs more than twice as much as our more versatile Editors’ Choice award winner, the Wyze Plug, which comes in a pack of two for $14.99. A Slim Design Intended for indoor use, th...