A nice touch is the gentle tension in the terminals on this unbranded relay, which grips wires without crimping them hard.
Mini Power Relays SRD-03V 05V 09V 12V 24VDC-SL-A -SL-C 4 Pins 5 Pins 10A PCB
You will find that the LY2F-DC12 mates nicely with standard sockets.
You will find that the Songle brand is familiar, and that familiarity can make testing and setup feel calmer.
The Songle brand is present, and you will find that parts and documentation are simple to track down online.