KONNWEI KW890 Professional OBDII Scanner Auto Code Reader Car Scanner+Battery Tester+Special Oil Reset Function Scan Tool for OBD II Cars After 1996(Original) 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. Specifications: Model: KW890 Item name: Car OBDII Diagnostic Scanner& Car Battery Tester& Car Oil Service Light Reset Screen: 2.8inches colorful Screen Language: English,French,German,Italian,Spanish,Russian,Poslish Product Dimensions:20*10*3.5cm Package size:25.5*18.5*7cm Package weight:905g Special Features:ISO 9141, KWP2000，SAE J1850， CAN ，J1850 VPW,J1850 PWM ,for 6-12V lead-acid batteries,for all vehicles after 1996 years. Application ：12V OBDⅡ & 1 cars, light truck, sedans, SUV Main function：Read and erase fault codes, read live sensor data, display datastream, DTC lookup, troubleshooting code tips Special function: Oil Reset This function allows you to perform reset for the engine oil life system, which calculates an optimal oil life change interval depending on the vehicle driving conditions and climate. This function can be performed in the following cases: 1. If the service lamp is on, you must provide service for the car. After service, you need to reset the driving mileage or driving time so that the service lamp turns off and the system enables the new service cycle. 2. After changing engine oil or electric appliances that track oil life. You need to reset the service lamp.