The grinder can be easily screwed to a wooden plate or workbench.
Vibrations are in such grinders often an issue. When Einhell TH-US not 240. The grinding wheel is running smoothly and clean. A disturbing imbalance can not be determined. Nor can the grinding belt clamp well. It runs smoothly in the track.
There is a transparent cover, which is designed to protect against flying parts grinding to the grinding wheel. This works out pretty well. Nevertheless, you should always use safety glasses when grinding. A small chip in the eye may end badly. The attachment of the cover is a bit unstable.
The manual is kept understandable for the layman.
For my purposes, the Einhell TH-US 240 is very well suited. I use it in the garden for grinding lawnmower blades, scissors and for deburring kinds handicraft objects.
+ No disturbing vibrations or unbalances
+ Relatively low power consumption
+ Easy to transport, only about 8kg weight
+ Quickly and easily exchangeable sanding belt
Conclusion
For the amateurs of Einhell TH-US 240 is a good device. The price / performance ratio is good. I see the quality always in relation to the price. One can not expect top quality in this price range. For the amateurs, the sander will do just fine. The professional craftsmen will make more of a different brand in the workshop. I can recommend the grinding good conscience.