Shelly Plus 1 not recognised

When I first added Shelly devices [EM with current clamps] to measure electrics, HA automatically found them, great.
I have since added a Shelly plus 1 with temperature probes to my setup, which registered OK in the Shelly app, but HA does not see the device. When I try to manually add it in HA, I get asked for an IP address [which I have] and a port number [on device] which I have not. How would I find such info? thanks

This option is when you use a Shelly to Connect direct to another Shelly (Range Extender)
So you have the standard Port 80