Cateye el 135 3 led battery front lightstay visible when cycling in low light and after dark with this front light from cateye. Ideal for commuters or road cyclists, this front light has an incredible 150 lumen output and a run time of 80 hours of constant shine or 320 hours when used in the flash mode. It also includes a flextight mount making it easy to attach to any size handlebar.featuresdimensions 84x36x26.5mmhandlebar attachments flextighttrade h 34n bracketlight source 5mm white led x3light output 150 lumenslight modes 2 constant and flashingbattery aa alkaline battery x2runtime approx. 80 hours in constant mode and 320 hrs in flashing modeweight 94g with bracket and batteriesbuy cateye accessories at chain reaction cycles, the world's largest online bike store.