Transmitter FW9T - Simple Operation - Match up the FW9T with a FW7Q, FW8R or an upgraded FW10w Transceiver. You can set up sets of FreeXWire units to work together on the same channel, or separate groups of FreeXWires to work in independent channels. Each channel has an additional four "Zones" that can be activated in 15 possible combinations. Receiver FW8R - Use this receiver with any shoe, handle mount flash or Qflash asa wireless flash sync. When connected to a Qflash (with an FW31 accessory cable)camera TTL information is relayed wirelessly. Slide the Shutter MD Delay switch to the MD position, connect a Shutter Release (Motor Drive) Cord from the Receiver FW8R to the camera shutter release connection activate a camera shutterup to 1000 ft. away.