What stands out about this unit is that it's clearly built by Audiopipe.
SLA-S-112DMJ 12VDC General Purpose Power Relay 4 Pins Normally Open
You will see that this small module carries the SRD-12VDC-SL-C name on itsThe SRD-12VDC-SL-C is the model noted on the packaging and in the manual.
A nice touch is how the unbranded brand uses a bright indicator LED, so you know at a glance when it's active.
A nice touch is how smoothly the LY2NJ actuates, making it feel well-made and consistent.
You will find that the DC 12V input plays nicely with common bench power supplies and wall adapters.
What stands out about this relay is the model 7.4.1.7-2, which simplifies reordering when the project scales up.
The DC 12V rating means you can daisy-chain a few units without overloading your source.
The relay has a programmable timer that works for both short and long cycles.
What stands out about the unbranded brand is that the contact ratings are printed large, so you can read them fast.
It comes with the Littelfuse name attached, giving the relay a familiar and trusted look.