The first thing you notice, it is unlikely bright and the red tail light completes the whole safety from. Existing LED bike lights that I own, had more or less spot light and so the bumps were seen often late and in the dark I'm just been traveling at a low speed. It is also comfortable to wear, it can even be adjusted for children. But it can be used for many occasions. For example, to run in the dark, as a bright lamp, go for handicrafts on the car for bicycle or electric scooter for. The price mE with 25.99 on Amazon (as always fast delivery :-)) is favorable, especially complete incl. Two original Boruit batteries (price for two batteries on China about 12 US dollars incl. Postage) and USB charging cable Smiley (glows red when it is loaded green and then turns off). The USB charging cable needs however to load it a few hours full of his time (have not timed it). Since I've used to date no longer than one hour at a time, the lamp and usually use the two lamps (enough) I would not need replacement batteries. There on Ebay though for a few euros to buy, but I doubt the actual battery life. So I would buy it as a package and have fun.
