I bought the magicshine tail-light not that long ago as part of the mj-808 package, and so far I'm really impressed! Seriously bright - lights up the road behind me, with a red glow on all the signposts I've noticed motorists giving me more space when passing too, as well as waiting for the safest place to do so (although that could also be because it's dark). The only thing is that when attached to the seatpost with an o-ring, it's angled down towards the ground so doesn't give the best throw possible (a different mount sorted that out though). Over-all I would highly recommend it, though if you're willing to pay the premium, the Dinotte is undoubtedly more compact with no external battery. Hope that helps