Question: I am looking for a injector coding scanner, which one is better to choose vident iauto 702 pro or iauto 450?

Answer:  vident ilink450 cannot do injector coding. ilink 450 obd2 scan tool supports 7 special functions including: SRS/ABS reset, oil reset, EPB,
battery configuration, DPF, TPS and steering angle sensor calibration, ABS bleeding (under maintenance function).

iauto 702 pro is a better scanner for injector coding.

iauto702 pro supports following injector coding car brands:

Great Wall, Honda, Acura, Audi, BMW, Chrysler, Cireon, Fiat, Ford,
GM, Hyundai, Infiniti,Jaguar,Lancia, Land rover, Lexus, Mazda, Mercedes-Benz,

Mini cooper, Mitsubishi, Nissan, Peugeot, Porsche, Renault, Alfa Romeo,Seat,

Smart, Skoda,Suzuki, Toyota, Ssangyong, Subaru, Volvo, VW

For detail model and year, check the iauto702 pro function list here: http://www.videntstore.com/upload/pro/19103115725782722299.xlsx