Color: As Shown Material: plastic Usage:1: Connect the inverter to AC power, and connect the WIFI module to the inverter TTL-WIFI port 2: Confirm that the WIFI module indicator light is in the NET blue light single light state (NET mode). 3: Open the phone settings, wireless network WIFI, find and connect to the WIFI hotspot named soY0-xxxx (enter the password 88888888). configuration page up automatically after the connection is successful (If no web page pops up, open the browser and enter the URL: 192.168.4.1) 4: Enter the local (home) WIFI name and password, and click Save Configuration (click Scan to view the local WIFI name). 5: Scan the code to enter the WFi module background management, register an account, bind the 10-digit SN code (+digit combination) attached to the WIFI module, please remember and save the registered account and password. 6: Log in to the account, click Add Device, enter the WFI module SN code, and return to view the device list online devices. Package Contents: 1 x WiFi Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.