You will find that the auto-off and timer are easy to adjust, even if you are not very technical.
Relay Bypass Switch & Diagnostic Tester – 9038 Tester Kit, Scan Tool, Fuel Pump
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 the sturdy metal latch on the THC-15A, keeping it seated in the socket without any wobble.
A nice touch is the smooth spring action inside this unbranded relay, which feels reliable without being too stiff.
What stands out about the unbranded brand is the simple color scheme, which helps you match it with other components easily.
If you want something simple, the Honeywell RA8366 does the job without fuss.
You will find that G8HE-1C7T-R1-DC12 makes selecting voltage much easier.
What stands out about the black finish is that it tends to look less flashy while still feeling solid.
When you compare options, the RL40 model looks like a sensible pick for common circuits.
A nice touch is the Hyster mark on the casing, which looks good and helps with quick identification.