Buy from Amazon : http://www.amazon.com/gp/product/B00KX77K58?tag=scratchandsti-20
Neewer? FC-210C Wireless TTL Flash Trigger Set: 1 Trigger 3 Receivers for Canon 600EX (RT)
Neewer Wireless TTL Flash Trigger Set All units are transceivers can be either used as transmitter or receiver automatically - no need to separate receiver and transmitter
Transceiver can remote control different group flashguns and achieve TTL communication between the TTL flanshgun and camerasynchronized flashing the Off-camera flashgun
Support camera wireless shutter function
Support flash mode E-TTL IIManualMulti flash
NOTE flash and camera not included