This is a Ronin RS3 RS4 USB Type-C to 7 Pin Male Power Cable for TILTA Nucleus-M Wireless Focus. we also have D-tap power cable for Nucleus-M, and 7pin to 7pin daisy-chain motor cable, Ronin S to Nucleus-M, Ronin 2 to Nucleus-M, USB-C to Nucleus-M power cable.
eBay