The U-tec Smart Dimmer can be used as a single-pole switch that controls one fixture or in a three-way configuration that ...

Fi-enabled wall switch that lets you control traditional light fixtures with your phone, voice, and other smart home devices.

But, with 146 million units sold after nearly eight years on the market, the Switch is Nintendo’s second most successful system ever (after the DS), and the third-best-selling console of all time.