A nice touch is how the unbranded brand uses a bright indicator LED, so you know at a glance when it's active.
DPDT Relay Module Self Locking 24V 5A for LED Motor Smart Home Control
You will find that this unbranded relay pairs well with generic controllers, without any branding conflicts or odd fit issues.
When you mount several units, you will find that Space Age Electronics keeps spacing predictable across different panel cutouts.