Unpacking, raufklipsen, turn on and turn night into day! :-) With the standard halogen light Grabkerzerl front of my bicycle I had nothing to look at the problem itself, to be seen as well. This often led to dangerous situations on the way into work in the dark. Battery lasts for a week's 3 status lines with daily 25min drive in step. 1 Rain has gotten not make the lamp - but all looks very Waterproof out. Let's see how it proves itself in the next few weeks ....