The lezyne ktv2 drive rear light is compact high visibility safety light with two bright red leds the light is a burly character and can take a beating constructed mainly from a soft silicon rubber and strong engineering grade plastic the light is both waterproof and almost unbreakable providing 9 lumens and three outputflash modes you can choose the setting that best fits the remaining battery of the light or to cope with the conditions you are riding in featuring side cut outs the light