THINKOBD 100 is a plug-and-play scan tool. It's packed with basic diagnostic functions including code reading & clearing, I/M readiness status test, engine light check, VIN identification, on-board monitoring, live-data stream, DTC library and more. With power directly provided by the vehicle, you'll have THINKOBD 100 ready to use. Great with industrial design, comfortable gripping without slipping. Featuring full OBD2 functions, easy operation, compact design, and more, it's the best solution for any DIYers to perform basic car maintenance.