The unit is well in hand, has a very good performance, incl. Immersion blender is delivered and at a good price. The Pürierstabanschluss can be concluded by a slide. Not If you use the blender and forgot to close the slider again, the unit can not be controlled via the speed controller. That made me a little plunged in despair, but I believed that there is a defect. But happened a mere mal..ö.