Hope vision r4 led standard front light es batt the r4 is small enough to be used as a head torch but powerful enough for the darkest of rides two power sequences each with three light levels allows users to maximise power or burntime illuminated power switch so you can see which power setting you are using uses 4 of the latest cree leds to produce 2000 lumens 1500 measured 6 different setting with a run times of 225hours on full power using the 4 cell battery standard version includ