1. Our hardware supports all J2534 protocol software 2. No need to register and active device. You can work on it directly. And pay more attention to protect personal privacy. 3. When you update your device accidentally. Will not be locked. You just fall back to the correct driver version to work with. 4. Support latest cars and do programming online (with online account). For example the GDS software works with 2021 year GM Buick imagine, 2021 year CADILLAC XT5.<br><br>Type:OBD2 Engine Eeprom Flash Diagnostic Tools SM2 PRO hardware version: V2.21.21 Add additional features, support J2534 for Toyota (depending on the buyer's own software) SM2 PRO J2534 VCI function: 1. Read and write ECU data 2. ECU clone 3. Adjustment of ECU parameters 4. ECU maintenance technique 5. Turing chip 6. Read the ECU map 7. Checksum Correction 8. Stage1-3, gearbox tuning, LC, sportdisplay, immo off, adblue off, dpf off, dtc off, vmax, spin 9. Read flash and ep files 10. Powertrain Adjustment 11. Support online update 12. Supply VR files 13. Pinout comewwith 14. Helpdesk and tuner accounts 15. Reads OBD2 16. Free holding free no disassembling data reading, greatly reducing the risk of destroying the ECU, bench mode. 17. Cover opening data reading, boot mode Note: Due to different production batches, there may be slight differences in products. Colour:Photo Color Material:Plastic<br><br>Package Contents: 1 x Chip Tuning Tool set<br><br>Only 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.