CANON WIRELESS GRIP CANON 5DIII WFT-E7
For remote shooting or direct transmission of your picture to a web server or any computer.
Need to have a server running on a computer for ftp direct transfer.
Need to use Canon remote shooting software for full use of this device.
Can also connect an external usb Hard Drive to backup more picture.
Work with Canon 5DIII only.
Ref Canon: WFT-E7