As one of its daily deals, Amazon offers Prime members the WeMo Wi-Fi Insight Power Adapter Switch, model no. F7C071, for $31.99 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping adds $6.37.) That's $3 under our mention from September and the lowest total price we could find by $13. This wireless adapter can be controlled using the free WeMO app on smartphones and tablets running at least Android 4.1 or iOS 8.0. It's also compatible with Amazon Alexa. Deal ends today.