This is a modified case for the RS485 to WiFi adaptor for epever products.

https://www.tindie.com/products/plop211/epever-rs485-to-wifi-adaptor-v15/

It's was a way to snug fit, so modified the RJ45 port - opening.

Print Settings
Printer brand:
Creality

Printer:
Ender3

Rafts:
No
Supports:
No
Resolution:
0.2