The Newgoal Wireless Jog Relay Momentary/Self-Locking Switch Module Is ??Remote control?: Turn the relay module into an integrated smart device through the existing 2.4G Wi-Fi network, you can use the eWelink application to remotely control the opening / closing of electrical equipment from anywhere ??Voice Control?: This wifi switch module can be used with Alexa / Google Assiatant / IFTTT, you can use voice control to turn on / off household appliances. ??Working mode?:In the jog mode (instantaneous mode), if you press the button on the application (or the manual button on the development board), the switch will turn on, and then automatically turn off after 1 second. In the self-locking mode, when you press the button on the APP (or the manual button on the panel) once, the relay will open. When the button is pressed again, the relay will turn off. ??DIY project?:Smart lights, fans, garage doors, humidifiers, thermostats, etc. eWelink also provides other functions such as timer setting, shared control and scheduling. You can also set routines in the Alexa or Google homepage to make things more convenient. ??Set WiFi?: Only support 2.4G WiFi network connection, not support Mesh WiFi system and 5G WiFi network! Download the ewelink APP and register an account. Then follow the instructions to complete the WiFi configuration. (If you plan to install it in a place where the WiFi signal is weak, you may need a wifi extender)