V521 OBD2 Diagnostic Scanner Tools Code Reader Clear Engine Fault Light Live Data Support Most Protocols ,Easy to Use

Car engine fault reading One-k clear engine fault light quickly read the car engine operating state of the fault problem Quickly read the real-time data of the car to grasp the key information of the car Performance testing improves driver and passenger safety. The acceleration performance, braking performance, distance test and instrument data are tested Understand the working condition of the car and diagnose the paeters of the car Multi-Functions: Help you to determine the cause of the engine light, read code, erase code.ready,vehicle information basic diagnostic functions