1.#304 stainless steel frame,polish and strong. 2.magnesium alloy wheels, 150mm (front wheels) / 300mm (rear wheels), 2.3kg/set,can be recycled, environment protected. 3.caoutchouc tyres. 4.Lithium battery 24V,10AH for electric golf trolley,with use life at least 2-3 years, rechargerable, recharge time:2-3 hours. 5.two motors 24V, Max output 2pcs*110 watts. 6. Packing: Carton; 7. Packing size72*67*26cm 8. Speed control method:button control