Key Features
Support switching special effects control, select special effects through the knob, and set the transition time through the knob.
Support output volume tuning with audio control, stereo LED real-time dynamic display output volume.
With pan tilt rocker, it can control the pan tilt and zoom of the camera
Support the local source playing control, and operate the source playing operation
Support key control to release and cancel the release of CG file
Support subtitle and clock control buttons
It supports USB power supply 
Two-color ights buttons with blue background
Support one click to start / stop live broadcast and recording
Support scoreboard control, can control the scoreboard display, points scoring and the game score addition and substraction, activity timing start and stop
Support buttons to select picture, CG file and picture in picture, can select picture, CG file and picture in picture through knob control, and switch to PGM screen