Hahnel TUFF TTL Additional Wireless Receiver for Canon.
Do you want to fire multiple flash guns with just one Tuff TTL Transmitter? Easy - just mount additional receivers onto how ever many flash guns you wish to fire and trigger using just one Tuff TTL transmitter mounted onto the camera!
The TUFF TTL Wireless Flash Trigger supports multiple receivers in full TTL.
This product works in conjunctions with the Tuff TTL Wireless Flash Trigger Kit.