TP-Link HS220, Wireless, Wi-Fi, White, Wall, 2400 MHz, Buttons TP-Link HS220. Connectivity technology: Wireless, Wireless technology: Wi-Fi, Product colour: White. Power source: AC, AC input voltage: 100 - 120 V, AC input frequency: 50 - 60 Hz. Width: 85.1 mm, Depth: 45 mm, Height: 128 mm. Quantity per pack: 1 pc(s), Package width: 118 mm, Package depth: 65 mm https://www.techhive.com/article/3570222/best-smart-switches-and-dimmers.html No lighting solution is as elegant as having smart switches and smart dimmers embedded in your walls. Sure, you could screw smart bulbs into your fixtures, or plug a couple of lamps into smart plugs and call it a day, but if the light fixture in question... https://www.techhive.com/article/3387516/tp-link-smart-wi-fi-light-switch-dimmer-hs220-review-a-solid-competitor-in-the-in-wall-dimmer-space.html I'll cut to the chase: TP-Link's Smart Wi-Fi Light Switch Dimmer (model HS220) is an in-wall switch that looks good and works well. Let's start with the good looks, as I must say I really like what TP-Link has done to the face of this devicer.A large rock... Switch design is sophisticated and stylish, Kasa app is streamlined, easy, and intuitive, Wiring design saves a bit of room in your junction box No provision for operating on multi-way circuits, No Apple HomeKit support, Oversized wall plate is hard to align and is a bit of an eyesore TP-Link's Wi-Fi-ready switch works as well as it looks—provided you don't care about HomeKit support or mind the monstrous cover...