Hes, it's excellent. I have one. It's the same LED and lens, as far as I can tell, as the Dinotte 140R which I replaced with this one.
I'm thinking about getting another so I can leave one on steady and one on flash. But since I wear a PBSF on my helmet and another on my seat post, with the magicshine on my seat, plus a reflective vest, I'm probably OK anyway.
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Work: the 8 hours that separates bike rides.