Check the listing for details. TYST vMix 1600 Wireless Director Video Switcher PTZ Control Panel 5*Tally Light. Condition: New, Made in China. Listed at 1099.00 USD. The vMix 1600 Panel wireless director switcher is an external director switcher designed for the live director all-in-one machine. It has an elegant design and is a professional-grade switcher designed for the realization of director switcher, live broadcast, recording, PTZ control and tally output. Hardware Control Panel. It has a fully modern appearance and MIDI communication protocol interface, which can greatly speed up the workflow of live playback. The panel adopts curved buttons, which can reduce the chance of misoperation. The buttons are all backlit to help you quickly identify important keystrokes. In addition, he is also equipped with a quick search dial and a T-shaped putter. Buttons support dynamic display, and all buttons support custom settings.