Ergonomic, highly flexible thumb/finger wheel control, with REC trigger. Includes: Slave Controller Thumbwheel with ARRI style Rosette Bracket 1m highly flexible cable The button performs run/stop (requires suitable run/stop cable from Receiver to camera). The unit can also pivot via the ARRI style Rosette allowing for better positioning. The clamp fits diameters from 22mm to 38mm. Precision CNC milled and wire EDM cut from aerospace grade aluminium. Note: Requires MK3.1 system or newer.