What stands out about the unbranded brand is the lack of logos, keeping the look consistent with other anonymous hardware.
4 Pcs 12V 2 Pin Turn Signal Flasher Relay – 20A for Cars Motorcycles Scooters
you will find that the brand is Crydom, which is a nice touch for anyone building a control panel.
A nice touch is the gentle tension in the terminals on this unbranded relay, which grips wires without crimping them hard.
You will find that the unbranded design things basic, which makes troubleshooting quick and stress-free for most setups.