As a standard SONOFF switch, you can use to work with application Ewelinka Amazon Alexa, Google Homepage, IFTTT. There are two modes for the product: how closing and self-locking mode. Users can click the button to auto-lock / inching to switch between these two modes. When the module is switched in self-locking mode, users can start / stop instantly connected device. When the module is switched to startup mode, users can press the start / stop button to start or stop the connected device.