RR500W Relay
![RR500W](https://www.loratap.com/u_file/1909/products/27/61e76f6281.jpg.640x640.jpg)
Available from:
Amazon.fr
Wi-Fi Module:
WB3S
Try to avoid similar devices from other sellers using same images and descriptions!
Available from:
Amazon.fr
Wi-Fi Module:
WB3S