OBDII Scanner for KW890 with Battery Tester & Oil Reset1、【SAVES MONEY AND TIME】The KW890 car computer reader is a professional vehicle diagnostic tool for Read Stored Codes,O2 Monitor Test,Clear Trouble Codes,On-board Monitor Test,Read Freeze Frame,Component Test,Read Date Stream,Vehicle Information,I/M Readiness,Lookup Diagnostic Trouble Codes,Evap System,Battery Voltage Test 2、【NOT ONLY TURN OFF THE CHECK ENGINE LIGHT 】Unlike other cheap car diagnostic scanners, KW850 OBDII code reader covers full OBDII/ EOBD diagnostic functions for engine system. O2 sensor test, EVAP systems test, and on-board monitoring test give you full control of your vehicle\u0027s running status, while a graphical and numeric live data stream display will help you to find out the faulty sensor readings. (Please be noticed: this function is for ENGINE System only). 3、【BEST IN THE MARKET】KW890 code reader car diagnostic tool is coming with the user friendly diagnostic interface and optimized software algorithm, it makes diagnosis 2-3 times faster than other OBDⅡ scanners. Featuring 2. 8\u0027\u0027 LCD color screen and graphical real time sensor analysis, may help you fast identify faulty readings in seconds. Extra-long (59\u0027) diagnostic cable coming in the package, allows you freely diagnose your cars even outside of vehicles. 4、【UNIVERSAL COMPATIBILITY AND EASY TO USE】Supports all OBDII protocols,for All Vehicles after 1996 years,IISO 9141, KWP2000, SAE J1850, CAN, J1850 VPW, J1850 PWM. The battery detection section can detect as long as it is 6-12V lead-acid batteries. Global models are produced after 1996.Simply plug into the OBD II port on your car, turn the ignition on and you are ready to go. No battery or complicated apps install needed. 5、Compared to the popular KW850 under the KONNWEI brand, we have added the reset function of the battery tester and maintenance lamp, KW890 is also a digital battery tester for 12V lead acid car, SUV, light truck batteries.