A nice touch is the sturdy casing on this unbranded relay, which feels solid without any rattles inside.
Dual Channel 5V ESP8266 WIFI Relay Module ESP-12F Development Board Module US
You will find that this unbranded relay pairs well with generic controllers, without any branding conflicts or odd fit issues.
What stands out about the unbranded brand is the lack of logos, keeping the look consistent with other anonymous hardware.