Complete kit for connecting laptop to a 2021 Tesla S/X with a 2-wire 1gb Ethernet diagnostic port connection. This Kit is for laptops with USB-A. Please see my other auctions ( https://www.ebay.com/itm/257204699214 ) if you need the Oval USB-C instead. Includes: Ethernet transceiver 2-wire automotive Ethernet cable connecting transceiver to vehicle Specialized Ethernet cable connecting transceiver to USB 1gb Automotive Ethernet USB-A Ethernet adapter to connect to laptop USB-A (laptop end) to USB-C (transceiver end) cable to power transceiver Usage instructions Requires active toolbox3 subscription