I'm an OLIGHT fan, and this is the worst OLIGHT product I've used. I expect they just slapped their brand on it and charged a bit more, but still. It's extremely affordable, but leaves me feeling unsafe, because I'm never sure if my rear light actually is going to stay on. The single-button method is unintuitive to me, though it works fine. My main complaint is that it will just shut off during my rides, and I have no indication of battery level. I'll just get to my destination and see "oh, it'sSee full review