Main function Mainly design to the driving learners to help them practice more by themselves at home, to master the basic driving skills quickly, save time,less money.Meanwhile, race game for fun is supported. Feature : 1)Easy to assemble,connect computers by USB,you can practice it at any time2)A voice warning system can correct your wrong operation3)The portable driving simulator owns a number of patented technologies,positiveeffect with the highly imitation especially for the beginner4)The function of game for all ages can cheer you after training