Usage Tips:1. Full status information (Present, Not present, Intermittent)2. You can print out, save, or copy the fault codes to any other application. From the fault codes window, you can go directly to the measuring blocks window.3. The program shows you measuring block information on many control module, you can choose anything from the list on your own.4. The program is capable of showing 8 measuring block parameter simultaneously. The sample rate is depends mostly on the communication protocol. For example, older system, like -B X 25 DT Engine (-9141-2) can be very slow, during communication, while er Multec, or Bo-sch units are faster (using KWP-2000), and the est CAN based control units are very fast!You can also run output tests on many controllers.NOTE: the better use 7est opcom 2021 :1.You need to connect blue usb dongle,then open software2. est software professional 200603a. can support cars to 2021.3. Supported languages: English4. Firmware Version: Real V1.95,support flash update5.work on 7 32 bit/64 bitWarm Tips :1. If your CD was broken or can not readable, please contact us for software download link. Do Not Open Dispute Or leave Negative Feedback,Thanks!2. Please disconnect internet and close anti- software when you install or use the opcom software.3. 2021 USB dongle only work with upgradable opcom v1.95 !Different batches, different angles and lighting, there are slight differences between the product and the actual product, which does not affect normal use.Colour:BlackMaterial:ABSPackage Contents:1x OPCOMV1.95 2021 Diagnostic ToolOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.