ARTICLE: LED bicycle light set Arcas Radlampe + taillight 5 bright LEDs including 6x AAA batteries. The set was a birthday present for my five year old son. It was - more of the fun of it than from security reasons - mounted on a 16er bike. Conclusion: The rear light though still works, but is more like a dimmer than a bulb. The Radlampe (headlight) has given up the ghost after the first drive (20 minutes). The lamp is not fallen down yet, the bicycle is upset - angry and a waste of time! For this scrap every euro was too much !! Pure pollution ...