Exposure link combo light with helmet mountthe link is a compact front and rear commuting light solution minimal design provides front and rear light bright enough for use day and night the fuel gauge and oms allow you to adapt your burntimes and maximise your brightness features cable free designintelligent thermal managementoptimum mode selectorfuel gaugemicro usb charginghand made in the uktechnical datarun time 15hrs min 24hrs lowlumens 100 white 35 redbattery 700mahcharge time 3h