Very good, at least for a little "tinkering" :)

The following things I can say about it:

+ The price is incredibly good for that it is a fan controller with touchscreen
+ There are 5 temperature sensors for 5 Fans -> In Auto mode, the fan depending on the temperature sensor control, which I think is very practical
+ The touch screen is easy to operate and is bright enough that you can read everything even in the dark
+ The sound can be switched off
+ You can see the fan individually exceeded 10% between 40% and 100% rules (less than 40% makes little sense anyway) and of course also to 0% (from 0% to 40% is a step)

negative to assess:

- Since the fan control PWM (Pulse Width Modulation) used to control the speed on the mean value of voltage it can happen that normal fan
easy "hum" or "rattle"
- I have used PWM fan to the "hum" or "rattle" prevent, these, however, have a 4-pin connector and the fan control has only 3-pin or 4-pin Molex connectors
(4-pin Molex = the 4-pin connector that we know from the PSU) -> Details on this below.
- The 3-pin connectors are related to the 4-pin Molex connectors together, that is, you always have additional unnecessary cable plant, here it would have been convenient if they had settled 3 harnesses, a 5 x 4-pin Molex, one with 5 x 3-pin and a 5 x 4-pin connectors, but the tinkering has created luckily remedy.
- The tape for temperature sensors do not really deliver much, but that can be circumvented with a good tape fortunately: D

For the handicraft:

Due to the above fact that PWM fans are not compatible with the plug factory, I did some research and found that the 4-pin PWM connector the fan on the Internet
are compatible with the polarity of the 3-pin connector of the fan control. Since the plug on the same "score" feature, you can not make something wrong in this polarity.
If you now that side of the 3-pin socket away (wegzwickt with the pliers / scissors or cuts) where the 4-pin PWM connector protrudes when combined correctly inserted the plug with the notch, then you can each using any PWM fan and the fan control works perfectly well with the 4-pin connectors. If you're like me really just be careful a page removed without damaging the remaining sides of the connector, then you have no problem with that all holds together, or is the whole thing still with the 3-pin connectors compatible without you must cut through this cable :)

All in all, I am fully satisfied, I recommend everyone in the fan "rattle / buzz" just once to try a PWM fan, which should help, run with me the round and beautiful quiet (except holding the air-power Noise: D)

The star trigger there that they could use a etwasch more practical cable management and that I had to tinker to get my PWM fans running,
but thanks to my guide should hopefully future customers more easily arrive at a satisfactory outcome)