OBDSTAR X300M is another new odometer adjustment tool launched by OBDSTAR. It's designed completly according to industrial standard. It's easy to take away and shockproofed.OBDSTAR X300M is the most professional device for odemeter adjustment,which coverage conprehensive car model.Main unit system of OBDSTAR X300M adopts ARM high speed chip to keet it running stable,fast and anti-jamming.