Four way WiFi relay module bare board with shell

Relay module function:
-Power off function can be set, and the status of module power off before power off:
-The module can choose to use 5 V or 7-25 V.
-As long as the device can accept the router WIFI signal, it can be controlled in real time
-Timing delay function
-Scene control
-Multi-person sharing
-Preparation before use
-Press any of the module control buttons to know the power on the module, long blue LED flashes;
-Make sure the phone is connected to wifi;
-Add device
-Open the software and click ” ” to add the device;
-Select fast mode and click Next;
-Enter the password to connect phone to wifi, next step;
-Wait for the module to connect to the WiFi router