I like that this heavy duty relay seems built for real work, not just occasional hobby projects at home.
Automotive Car Relay 24VDC 40A SPDT 5 Pin WATER RESISTANT, SHIPS FAST FROM USA!
You will find that OLS relays give consistent results across several DIY builds over time.
A nice touch is the clear markings, which make wiring this power relay feel simple and safe.
A nice touch is the little Audiopipe emblem on the relay's housing.
You can tell the Miniduino team cares, and what stands out about their approach is the practical labeling on the relays.
You will find that the MICTUNING brand is stamped clearly on the relay, which feels solid in your hand.