Genuine Dearborn Protocol Adapter (DPA 5) Kit from DG Technologies RP1210/J2534 pass-thru adapter for diagnostics and reprogramming of light-heavy duty vehicles Dual-CAN Bluetooth adapter, includes essential DG Diagnostic software RP1210 & J2534 OEM Diagnostic Software Compatibility: http://www.dgtech.com/product/dpa5/oem-diagnostic-compatibility.php Note: "DG Tech" and "Diesel Laptops" are the only authorized sellers of this authentic product on Amazon. Manufactured and Made Only in the USA-Shipping from Michigan. For additional details visit www.dgtech.com