This alarm clock is visually very modern and the display is clear, despite all the functions and designed tidy. There are shown next to the time in large-scale figures still date, temperature and alarm time. The settings of the data must be made manually, but there is on the back of some switches. Who ever had such a watch or clock, which will find their way there quickly. A printed manual is unfortunately only available in English. Note: On the back there is also a manual switch for switching on and off of the clock. Pressing this, the settings are completely gone and you have to re-enter everything. You need this switch but only if you want to shut down the alarm clock completely. Otherwise, the device offers up the usual functions of an alarm clock: Show time and wake (works reliably so far, the alarm sound is beautiful fies). What this clock is different from other devices on the one hand the display illumination and the other power supply. The backlight reacts permanently on the environment. This means that the environment is as bright as day, so the lighting is practically out. It dawns, it automatically adjusts to the lighting conditions. The lighting is then given permanent, but it is quite discreet and not dazzling, so you can read the clock at any time, even if it's otherwise dark in the room. If you want, which can adjust the light by pressing a button for a few seconds at maximum brightness, but not really need this. This lighting is of course not for the people who can sleep only in very dark rooms, but I myself feel the illumination in the dark quite pleasant. The power supply is interesting, because the clock is not fed with batteries, but charged through USB. Amazing is the battery capacity. Despite the lighting the clock for three weeks now runs with me without that she once begged for charging. This makes them the way, according to instructions in time by a little LED below the display. In short: This alarm can be - because if he even needs power to charge even with the USB power supply of the mobile phone or even operate. So you save both batteries, as well as another cable, which is especially interesting when traveling. In summary, a well thought out device with interesting lighting and energy management, good workmanship and reliable clock and alarm function.