It makes, also many other write like here, what it should.
It requires no batteries and the time signal is processed quickly - there is always the exact time.
Only - an alarm clock, it is not!
The softly beeping is to be woken up for me just too quiet.
Unfortunately, you can not change the volume.
As a solar clock very good!
Not to use as an alarm clock!
Since I bought it as an alarm clock - just a star!
