The ARRI Hi-5 Hand Unit Basic Set (Item Code: KK.0041791) is the core configuration of ARRI’s 5th-generation intelligent electronic lens control system. Designed as the successor to the industry-standard WCU-4, the Hi-5 provides multi-axis wireless control (Focus, Iris, Zoom) over camera functions and cine lenses, packaged in a rugged, highly weatherproof housing.