Base Station with Operator Mic, Lamp & Operator Headphone ITC-200B enables the operator to talk to ALL cameramen at the same time (no individual cameraman selection). Includes 4 x Belt Packs including 4 x 20M cable & 4 Cameraman Headsets/Microphones 4 x Camera Tally Lights included (connects to cameraman belt pack) Additional Belt Packs inc Headset/Microphone & Tally Lights (available as optional extra) Each individual cameraman can push his talk button to talk back to the operator Expandable upto 16 channel with ITC-200E