You can buy it for additional to make your MV400 or MV208 have 8.5mm imager head and 5.5mm imager head at the same time.
Original Mercedes Benz 14Pin Connector for MaxiSys MS908 and MS908P
Main Test Cable for Autel MaxiSys MS908/Mini MS905
Original Main Test Cable For Autel MaxiSys MS908 PRO
Original from Autel. It is adapted to MaxiVideo MV400/MV208, and is stable and affordable.
Used for BMW F series chassis programming.
Main Test Cable For Autel MaxiSys MS906