Bbb scope 800 lumen headlight lightweight 2 xm l t6 cree leds headlight with external battery pack 4 light modes super beam high beam standard beam and low beam features bbbs airflow cooling system acs for optimum heat control water resistant aluminium casing and rubber enclosed switch mean this is a light for all conditions handlebar and helmet mounts included the external battery pack can be mounted in a multiple positions by using the provided velcro straps weight light 110g batte