I bought this to control the numerous items on work truck.As with many things from Amazon, the packaging looked like it had been used for football practice. Surprisingly the device didn't have a negative mark on it.While the switch panel is pre-wired, I wish it had not been. These are wired in series, creating potential for complete system failure. Keeping in mind though, this panel does NOT carry device load, so the overall risk of failure is low. This panel can carry a few amps, though relays should be used, for many reasons, Fire being of main concern! I have not tripped any of the resettable fuses, so not sure to value. I am running mA through switches to relays.This is a solid aluminum panel with all switches and ports installed. I have replaced two of the round ports with something that fits my needs better.Overall, I think this item is overpriced, however, it is probably the one item in system I am not to concerned with. It is not flimsy. It does the job well. Switches and ports are easily swapped out.I intend to buy two more of these!