Cateye volt 100 front light is a compact bright 100 lumenlight ideal for commuting the usb recharge makes charging easy and negates the need for expensive batteries the usb plug means no additional cables are required ideal for riders who charge their lights up during the day at workleds 1 x white led with opticube lensbrightness 100 lumensbattery usb rechargeable batteryrun time 1 hours to 5 hourscharge time 15 hourscharging usb chargingbattery life indicator yesmounting simple o ri