What stands out about this relay is the auto-off paired with heavy duty build, making it feel solid and reliable.
4PCS For Song Chuan 303-1AH-C-R1-U01-12VDC Ultra Micro ISO Relay SPNO 20A DC12V
You will find that OLS relays give consistent results across several DIY builds over time.
You can tell the Miniduino team cares, and what stands out about their approach is the practical labeling on the relays.
What stands out about this unbranded relay is that the pin layout is printed right on the top for quick reference.