Hello there

I s the problem solved ?
I have bought the 4 channel relay too.
https://nl.aliexpress.com/item/85v-250V-110V-220V-230V-4CH-RF-Wireless-Relay-Switch-Security-System-Garage-Doors/32448300432.html?spm=a2g0s.9042311.0.0.DQqPsz
But i dont know the four learn codes what i must use.
I have ...