KW850 Works on most 1996 US-based, 2003 EU-Based and Asian (OBDII & CAN) domestic and imported vehicles, including passenger cars, SUVs, light trucks, etc. Supports all OBDII protocols. 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. . A look-up library with over 8, 000 built-in generic code definitions allows you to accurately identify the cause of your CHECK ENGINE and perhaps fix it without going to see your dealer. It also assists you in easily passing annual emissions tests and SMOG CHECK. It 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's 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). High Quality and High Resolution TFT colorful display helps you easily to find out the troubles of your car. Bright color coded LEDs and built-in speaker provide both visual and audible tone for readiness verification. Brand New design Key pad, unique patented One-Click I/M Readiness Key, it is the best partner for your car repairing. Featured battery real-time monitoring during diagnostics, avoid un-expected happened. Intergrated memory card allows storage of Trouble Codes, Live Data and freeze frame, Playback and review data when out of vehicles. Data printable through USB cable, allows modify and print-out storage data. Internet upgradable via usb port, adapted to Windows XP- Windows 10. KW850 Supports One-click Remote Update. KW850 Prints out data to PC. Works on ALL OBD II Enabled vehicles, both Gasoline and Diesel cars - domestic and imported. Features the unique patented One-Click Readiness Key for quick State Emissions readiness check and drive cycle verification. Bright color coded LEDS indicators and built-in speaker provide both visual and audible tone for readiness verification. Retrieves generic (P0, P2, P3 and U0), manufacturer specific (P1, P3 and U1) codes and pending codes. Easily determines the cause of Check Engine Light(MIL). Turns off Check Engine Light (MIL), clears codes and resets monitors. Enhanced OBD2 Mode 6 On Board Monitoring Test Results for Specific Monitored Systems. Views freeze frame data: The KW850 OBD2/EOBD/CAN Diagnostic Scanner supports all 10 OBD2 test modes on all OBD2 compliant vehicles for complete diagnosis. Featuring the unique patented One-Click I/M Readiness Key, TFT color display & built-in speaker, Real Time Battery Voltage monitoring. In addition, thousands of troubleshooter code tips(by press ? button) help technicians and home DIY users to accurately diagnose even the toughest problems. With the newest friendly diagnostic interface, KW850 will be the most useful car diagnostic tool for every family and professional mechanic technician! KW850 is the best engine code reader better than AUTEL AL519 with unique design and widest compatibility. Retrieves vehicle information (VIN, CIN and CVN). Displays monitor and I/M readiness status (emissions). Reads live PCM datastream. Displays live O2 sensor test data. EVAP System test data. Live sensor data in text mode and graph mode (1996 and newer vehicles). Reads, stores and playbacks live sensor data. Troubleshooter code tips guide technicians to the root cause of a trouble code faster, saving diagnosis and repair time. Battery Voltage real time monitoring, better than all other brand. Built-in DTC look-up library & display definition. KW850 Supports One-click Remote Update. Press and hold any button of KW850 scan tool, then connect the scanner to PC with USB cable included in the package, the screen will be turned to "UPDATE MODE" Notice: Please turn off anti-virus software when installing the update tool, otherwise it will not be able to install the driver properly. KW850 Prints out data to PC. Install the "uplink" program on PC, connect the scanner to PC with USB cable. (No need to press any buttons). Launch the program"uplink" , Select "Print" option. Operation on scanner: go to main menu, select " Print Data" ; Select the data option that you want to print to PC. After select the "print data", the data stream that storaged in the scanner will be sent to PC software, you may modify them before printing them out from PC's printer.