Easy to use, brightness is more than adequate in various conditions (heads up--don't look directly at the light when you first charge and fire it up--it's bright), and utility is very good for steady state light or flashing. As is usual for products coming from overseas, instructions are not the most detailed, but you get the flow after a few minutes. Battery life appears to be solid so far. Long time road biker, I highly recommend. The price point is good.Postscript, a few weeks after this review, the light stop taking a charge. Tried various troubleshooting methods and let charge for extended periods. No go. The light flashes for a second and then off, with charging light briefly lit and then also off. The return window closed a month before malfunction.
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