The light spectrum is wide enough to drive fast in the forest, for big descents with bends it will still be equipped with a front more, because we do not necessarily look in the direction of the handlebars. Autonomy 2h30 at full power, lamp equipment + battery reasonable weight, I find the cable connecting the two really too long (it is better than the reverse) suddenly I wound up 5 or 6 times around the stem. Resistant to rain for now, ATVs vibrations do not affect the orientation of the lamp (in winter we will see if this will be the case tjrs)