1.[Endorsed by Mechanic Scotty Kilmer ]: Creader 3001 OBD2 scanner can read and clear fault codes for engine system. Plug-and-Play code reader that allows you to use it directly once you get, very easy to use even for beginners. The scanner equipped with a 2.5 feet long cable, you don't need to worry about not enough longth. It also with a compact size, easy to hold and carry. 2.[I/M Readiness Status Test]: This OBD2 scanner can check the status of emission-related monitors misfire system and fuel system, make sure the monitor was set before taking it to smog. Help you pass the Smog Check smoothly, it's your time and money saver! 3.[View Freeze Frame/Live Data Stream/ O2 Sensor/ MODE 8 Evap System test/ MODE 6 On-Board Monitor Test]: Creader 3001 is a very useful and cost-effective OBD2 FULL FUNCTION automotive diagnostic tool, support read live data for engine system, quick detecting vehicle failures, saving you the trips to your mechanic. 4.[Turn Off Engine Light and Identify VIN information]: This scanner can help you turn off the MIL. After you finished repairing the faulty components, then clear the fault codes and turn on the vehicle ignition, then you will find the check engine light is OFF . What's more, Creader3001 OBD2 scanner can read the car's information such as VIN number.