... line for many years. New design mini hand cotton picking machine overall dimention206*90*105mmtotal weight530gelectric power15wvoltage12vspeed1600r/minbattery capacity12Vcharge timeabout ... with new design will not lock the cotton,new material makes the machine more quiet, light, high quality and ... noise. We add the motor protector,if the cotton lock the machine,the motor will stop self-acting. Warmly ...