Nice design, good speed, bad touch switch

+ Design is excellent and looks better than you would expect at the price.
+ Is excellently located in the hand.
+ Speed ​​good, comparable to the Scanpart.
+ Stand stable.
+ Continuous operation possible (3 different levels).

- The Desk. Maybe he was broken but it was not possible for me in an attempt the unit on and off again. Although he snaps but then can be only after several attempts again Unignore. To test whether it is because of my own stupidity I can test it 3 work colleagues, with the same result. Nobody managed the unit after commissioning without multiple attempts off again.