Here is a handy button that lets you control your smart home devices and scenes conveniently. The Elgato Eve Button has 3 actions. It is compact enough to fit in the palm of your hand and connects to your home hub directly. No need to have your iPhone or iPad around to execute commands.
Eve Button can be linked with 3 scenes. It can be used to control lamps, appliances, and other smart gadgets in your home.[where to get it]