Descriptions:

This Canon accessory allows you to connect your Canon Speedlite on one end of
the cord and the other end will be mounted to the Hot Shoe unit of your EOS
camera. You can stretch the accessory's cord by up to 0.6 metres long and away
from the camera in any shooting degrees you wish to point the flash towards your
intended subject.

Fits all Canon EOS Film and Digital SLRs except the EOS 630 and RT.

Also fits:

PowerShot G1
PowerShot G2
PowerShot G3
PowerShot G5
PowerShot G6
PowerShot G7
PowerShot G9
PowerShot Pro 1
PowerShot Pro 90 IS
Speedlite 580EX II