I honestly can't say anything about that controller,good or bad. I'm sure if you buy it,it will work if you wire it right or have someone else do it.
I bought a used controller that has been rock solid for 2 years and paid 75.00 for it. It has the KB Electronics KBLC-240D? board. You can get those on eBay for about what I paid for my whole box,and buy the rest of the parts you need from LMS and do the work yourself,and maybe save a little plus feel good about doing it yourself,and maybe even customize it some.
I can hook you up thru PM with the same guy that I got my controller from if you want. He's a Power Seller that parts out brand-new basic HF versions of the mini lathe,and offers single replacement parts,and cares enough and has enough knowledge to sell you a wired up controller that will work 100%,because he wired it and checked it out.
If you buy the board and other parts,he might even build you a controller that is PROVEN. He'll even give you a little kickback if you send him your burnt controller. He did for me.
That's what I'd do,Tommy D.