The Phottix Odin TTL Flash Trigger is a four-channel, 2.4 GHz, transmitter and receiver units work at ranges of more than 100 meters and accept AA batteries. Phottix Odin TTL Flash Trigger sets with a TCU and Receiver are available now, as will as individual receivers.
See the review from dpreview site below
Accessory Review: Phottix Odin TTL Flash Trigger for Canon : Digital Photography Review
Price List here
See the review from dpreview site below
Accessory Review: Phottix Odin TTL Flash Trigger for Canon : Digital Photography Review
Price List here