Cateye tl ld610 5 led rear lighta must have for urban night riding the new tl ld610 is slimmer and brighter than its predecessor with five leds and four modes that maximize your visibility the flextight bracket fits all bikes and mounts horizontally or vertically to maximize adaptability the new low profile switch eliminates accidental switch onoff especially inside your pack runs up to 30 hours on constant mode on two aaa batteriesfeatures5 red leds80 000 mcdruns over 30 hours on const