Smart Home Wireless Button - for easier control of a smart home. Simply set up this driver that you simply connect to your phone with the application, and then just snap. The controller can be placed anywhere in the kitchen, living room or out. When pressed, air conditioning turns on / off, switches on / off WiFi, switches smart appliances off / on, triggers an alarm (which can serve as a wake-up call for your children or as a bell), turns on the radio and much more. Can only be used in combination with Xiaomi products.