Features & description: Connector A:  7-Pin Male Right angle Plug Connector B: 7-Pin Male Right angle Plug Preston FIZ Wireless Follow Focus motor cable fit for Preston MDR-3, MDR-4, DM1X, DM2X, DM5 motor. Bartech wireless focus digital receiver to digital motor cable,custom cable for Preston MDR (1,2,3 or 4) digital motor, compatible with Preston part number 4412. Length: (other length you need,you can contact us to customize)