~0.2% wow and flutter
50db signal-to-noise ratio
In other words even the cheapest Dual idler drive changer is probably quieter and keeps speed better than it.
The anti-skate it has also doesn't work properly, and while it does have adjustable VTA, the range of adjustment is not ideal.
It looks good because it's designed to look like the SL-1200, but, in terms of actual performance the turntable doesn't stand up. It's a cheap clone made by Hanpin in China.
If you need VTA adjustment, the ability to play 78s, and the ability to hot swap cartridges, aren't willing to buy a used turntable, and have a limited budget then it's probably your best choice. But if you're able to buy used/vintage, or spend a little more, then there are tons of far far better options available.
If you're looking for those features and want to buy new, their LP-1240 is a step up from it, with a ~0.1% wow and flutter (speed issues should be inaudible at this point for all but the most discerning ears) and 55db SnR ratio.
If you can stretch the budget further and must buy new, then my recommendation would be the Pioneer PLX-1000. It's much quieter, with a ~70db SnR (since every 10db increment = 2x quieter, that's about 4x quieter than the LP-120), and an inaudible ~0.1% wow and flutter. Plus it has all the features that make the LP-120 appealing, aside from the ability to play 78s.