The primary difference lies in reliability and software updates. Genuine Guardant USB dongle

Works via J2534-compatible adapters like Scanmatik 2 Pro , Tactrix OpenPort 2.0 , and MongoosePro .

A physical USB security key that holds your purchased licenses and prevents unauthorized use. A J2534 passthrough device (e.g., Scanmatik 2 Pro Go to product viewer dialog for this item. Tactrix OpenPort 2.0 Go to product viewer dialog for this item.