Set up a compact broadcast environment in your classroom, meeting room, event, or house of worship with this 3 x 20x PTZ Camera Broadcast Kit with 6-Channel Mixer, 8-Port Switch & Controller from BZBGear. The kit includes three black SDI/HDMI/USB 3.0 live streaming PTZ cameras with 20x zoom, a 6-channel live streaming video switcher/mixer, an 8-port 1G Ethernet PoE+ switch with eight PoE+ ports and two 1Gb SFP uplinks, and a gen 2 PTZ IP/RS-232/422/RS-485 controller with joystick.