The HT-900R is an ultra-powerful headtorch. It has a bright 900 lumen central spot that also offers a wide angle spread thanks to its special concave lens. It is constructed out of toughened polycarbonate. In addition to its construction materials, it is also rated to ik07 shock/drop resistance and is ip65 dust & water resistant. The headtorch has a 2600mah li-ion battery and provides a 4.5-hour runtime on its highest output. to monitor battery status, there is a battery level/charging indicator. 900 lumen white cree led, 6500k Rechargeable 3.7v 2600mah li-ion battery Wide angle light spread with bright central spot useful battery level and charging indicatorSuper tough constructionMemory switch - remembers last mode usedFully adjustable non-slip silicone lined headband 4 x helmet clips included72 rotational headIP65 dust & water resistantIK07 shock proof - 2m drop resistantQuick 4.5 hour usb-c charge time 1m usb-c charging cable included