The Knog Vertical Kid Grid Rear light is a great rear light to keep you visible to other road users. The versatility of this light is the strongest feature, with different beam patterns from ultra focused to ultra wide you can pick the mode you feel best fits the conditions you are riding in. The 90 degree beam pattern makes for a super wide and unmissable beam to others. The light also boast plenty of mounting options, the silicone rubber straps are inter changeable so if you lose or break one you able to swap out for a brand new one. As these straps are flexible, you are able to mount to od shaped aero seat posts. The integrated USB charging capability allows you to charge on the go, at work or at home. The Whole light has been constructed from a UV-Resistant industrial grade silicone, Poly Carbonate Optical grade PMMA Lens and finished off with a Hard-Anodized Aluminium fascia. with a whopping 44 Lumens for a rear light you will definitely be seen when riding at night.