Originally Posted by MarcusT

Hello all.
While swinging my leg up to mount my bike, I hit the rack mounted tail light and chipped off a piece of the red lens. Obviously, any water proofness is gone and started to shop for a new one. I found an Amazon off brand which had hundreds of positive reviews and went for it. This model has the sensor where it turns on when it senses motion or darkness, but a constant light also. Well, I am not happy with it. No instructions and sometimes it turns on, sometimes it does not. Not really a safety device one wants on a long tour. Started looking at the big names and it seems the biggest name in rack mounted lights is Busch-Muller.
Any thoughts or impressions with this brand?