Node-red, gauge, how does it work?

Just installed the gauge package, but can’t understand how it works, can someone give an example?

I would like to have a visualization of my power for some appliances, I have around 10 sensors doing this

The link above takes you to a bad place. The following link has been updated. node-red-dashboard (node) - Node-RED

Thanks, I guess someone forget to renew their domain and some ill intentioned bastard grabbed it. Thanks for the deletion. (Puzzled me for a couple of days what I had done wrong!)