The K-Tor 20 watt pedal generator is a light weight pedal generator, It folds up to a shoe box size of 12 inch by 6.5 inch by four inch. It weighs 4 lbs, 11 oz and ships at 5 lbs 6 oz. It is made in the USA of steel and strong polycarbonate plastic. It regulates to 120 volts DC with a universal power outlet, that works anywhere in the work with switching chargers . Will charge all cell phones, tablets and other products charged with a switching charger. Switching chargers say 100-240 volt and 50-60 hz on the charger