Draper-3-Led-Wind-Up-Bicycle-Light-Set-Draper-44348-Complete-set-with-benefit-of-no-batteries-required-One-minute-s-winding-gives-up-to-30-minutes-of-light-As-an-added-benefit-the-front-light-can-also-be-used-as-a-st&-alone-torch-Display-packed-Draper-44348-3-LED-Wind-Up-Bicycle-Light-Set