Cateye volt 100 xc front lightthe volt 100 xc front light from cateye offers you great performance for riding through town on your way to work'. '.strtoupper('i')t has a maximum 5 hour battery life on flashing mode to keep you visible or a one hour life on constant mode to help you see on dark roads'. '.strtoupper('t')he volt 100 xc front light will give you peace of mind, helping you to commute safely in low light conditions.convenient chargingto charge the light, simply plug it into a usb port'. '.strtoupper('a') full charge takes around 1.5 hours so, if you notice you're getting a little low on the way to the office, charge it up whilst you're working and you'll be safer and more visible on the ride home.features light source 1x white led with opticube lens brightness 100 lumens power source usb rechargeable battery light modes 2 modes run time constant 1 hour flash 5 hours charge time 1.5 hours mounting simple o ring attachment extra features battery life indicatorbuy cateye accessories at chain reaction cycles, the world's largest online bike store.