My first unit VIS 500 experienced a charging malfunction (by severe overheating) that permanently damaged the battery during the 2 year warranty period. Upon informing L&M by email, they determined and approved a replacement without the bother of requiring return of the defective unit. A few days later, a brand new unit arrived and is functioning as designed. As far as the light itself, I like the IP67 water resistance, the power remaining indicators, and the 4th mode (PULSE) with the fluctuating solid light and periodic high flash (for daytime visibility to oncoming traffic). It’s not the smallest or lightest light I’ve used, but I like what it offers for road riding. Instructions on the plastic outer package are pictorial without a lot of explanation. There is a screw-in pin that can lock the light onto the mount that prevents it from falling off if you hit a bump or obstruction, but this may not be necessary for road riders, as the connection slides in pretty tight even without the pin. Removing the mount is pretty simple with the stiff rubber strap. If this light continues to charge and operate properly, I will happy with it, and I’m pretty picky with bike lights, both front and tail.
