Wemo Wifi Switch, Works with Alexa Works with Alexa for voice control (Alexa device sold separately). Turn electronics on or off from anywhere. Perfect for lamps and space heaters! You've already got everything you need: WeMo works with your existing Wi-Fi router and any Apple iOS (v5 or higher) and Android smartphones and tablets Modular system - You can add additional WeMo Switches and WeMo Motion sensors easily, any time. Control as much or as little of your house as you want to. Operates over Wi-Fi and mobile internet, at home and away Included: WeMo Switch, Electrical Rating120V/15A/60Hz/1800W