CoPilot... User-Friendly Wireless TTL Flash Controller With Auto-Focus
Photographers can now trigger and quickly set ratios for three groups of radio
controlled Qflash. Set lighting ratios on the fly, right from your camera.
Simply turn three controls on the CoPilot to instantly adjust lighting ratios as
Mix and match all the flashes you own. CoPilot controls remote Qflash TRIOs or
T5dRs. And it commands any combination of non-Quantum flashes connected to a
Quantum FreeXwire receiver.