This Off Camera TTL Shoe Cord maintains all on-camera flash functions (including E-TTL II) for one Canon-compatible shoe-mount flash unit used off-camera at distances up to 2'. It is compatible with all Canon EOS or G series cameras - digital or film - except for the 630 and RT cameras.
This cable has a 2' heavy-duty coiled cord and features a shoe mount on the bottom of the flash connection shoe, as well as a 1/4"-20 socket.

Key Features
Heavy-duty coiled cable
Total dedication between digital Camera
These heavy duty TTL cords are designed to fit CANON Cameras that use dedicated flash units.
A second shoe mounts onto a flash bracket or light stand via either a standard foot with lock or a 1/4-20 thread.
The top of the shoe accepts the flash unit. A heavy duty 2 foot coiled cord connects the shoes.