(tire size):138/145mm (range per charge):15-20km (foldable):yes (charging time):2 hours (certification):ce (voltage):24v (power):100-200w (model number):e7-101 (brand name):smart falcon (place of origin):china(mainland), zhejiang Certification:ce, rohs, fcc Color:red, blue, yellow etc. Max loading:150kgs Brake:r:axes brake Battery:24v/4.5a