I just looked up the incubator on Amazon... I cringed reading the description of it. There are so many errors in the writing.
Then I almost died when I saw this picture.
These poor little quail either hatched with screwed up legs or got screwed up legs after hatch from sliding around on the floor of the incubator.
If you do end up buying the incubator please make sure you put some shelf liner down on the floor of the bator before your eggs hatch.
Also be sure, no matter which incubator you buy, to calibrate at least one thermometer to put in it and salt test a separately purchased humidity gauge to put in it.