I bought this clock because of the overwhelmingly positive reviews. And indeed, the stability, the readability and the service is perfect. The alarm clock is not very cheap. Since I have welcomed the fact that it is possible 2 alarm set parallel. But why have two different alarm sounds? Ds I do not consider useful. But the main criticism is as follows: Both alarm sounds, but especially the second, are clearly too low. This sounds to swell with increasing time. If they do well, but the loudest calculation is still much too low. So you do not get someone from a deep sleep awake, especially if it is not absolutely silent in the UImgebung However, since the main task of an alarm clock is now once awakening, I can only 3 stars awarded ..