Highlights:Easy-to-read crystal-clear backlight LCD display， which shows all OBD2 test codes and accurately diagnoses even the toughest problems of your carSaves your time and money on repairingDisplays the DTC definitions on screenWide coverage: works with CAN-equipped vehiclesReads and clears all generic， and some manufacturer， specific DTCsErase codes and reset MILViews OBD2 Live data and freeze frame dataDisplays I/M statusSafety communications with the on-board computerInstructions:1. Turn the ignition off.2. Locate the vehicle’s 16-pin Data Link Connector(DLC).3. Connect the Scan Tool cable connector to the vehicle’s DLC. The cable connector is keyed and will only fit one way. (If you have problems connecting the cable connector to the DLC， rotate the connector 180°and try again.)4. Turn the ignition on. But do not start the engine.5. When the Scan Tool cable connector is properly connect to the vehicle’s DLC， the LCD display shows instructions for select New Scan.6. Press the New Scan button. A sequence of message showing the OBD2 protocols will be observed on the display until the vehicle protocol is detected. (Note: If there shows up a Communication Failure - “Unable to establish a link with the vehicle”， please do as the following: ①Make sure your vehicle is OBD2 compliant and the ignition is ON; ②Check if the Scan Tool’s OBD2 connector is securely connected to the vehicle’s DLC; ③Turn off the ignition and restart after 10 seconds， then repeat Step 6)7. After successful connection， please wait until the main menu shows up.SpecificationsDisplay: 128 x 64 pixel display w/ contrast adjustment and backlightOperating Temperature: 0 ~ 50℃(32 ~ 122℉)Storage Temperature: -20 to 70℃(-4 to 158℉)Voltage: DC 12VInternal Power: 3 x AAA batteries (not included)Unit Dimensions: 163 x 90 x 29mm / 6.4 x 3.5 x 1.1inchCable Length: 109cm /43inchWeight: 8.9oz / 350gWhat’s in the box:1 X D900 Universal CANBUS OBD2 EOBD Scanner Car Diagnostic Scan Tool Live Data Fault Code Reader1 X Detachable OBD2 Extension Cable1 X Mini CD DiskAbout the shipping:1. We guarantee every package has a valid tracking number. 2. Undergoing customs for checking may cause shipping delay， please kindly turn to us for help if your package fails to arrive on schedule. Your understanding will be highly appreciated.Voice from the seller:1. Have you got any question， please send a message to us， and we’ll reply ASAP. 2. Your unvarnished viewpoint & feedback are very important to us as well as to other consumers. It’ll be highly appreciated if you can spare a few minutes to leave a feedback.3. Uploading a picture of the item you received is GREATLY RECOMMENDED! In the process， You can share with other consumers and make some new friends on Wish!4. Happy shopping!