The fwe usb rechargeable 15015 lumen light set comnprises of the compact fwe 150 lumen usb front light and the fwe 15 lumen rechargeable usb rear light both lights ensure that you are seen on the darkest of nights and with the versatility of usb rechargeing you will never need to buy batteries again the fwe 150 lumen usb front light features cut outs in the case to improve side visibility and has a rubberised onoff switch and usb port cover to keep out the worst of the english weather the