The Square D 8501RS14V20 keeps its identity visible, which helps when tracing circuits in a crowded enclosure.
5V Relay Shield Module Components with Optocoupler for 16-Channel
A nice touch is seeing CSPC on the relay, a brand you can recognize when swapping parts.
For those comparing options, the model MIC-06-117 keeps things simple and predictable.
A nice touch is the DC 12V requirement, since many adapters around the house already match it.
When you pick up the THC-15A model, you will find that its size feels compact and manageable for quick installations.