Vello Off-Camera TTL Flash Cord for Canon Cameras (1.5')The 1. 5' Vello TTL Off Camera Flash Cord provides creative photographers with the ability to remotely fire Canon flashes with E TTL E TTL II capabilities. Because the flash has been removed from the camera's hot shoe, the photographer is able to create unique and dramatic lighting styles that are not possible with a traditional shoe mounted strobe. This coiled cord measures 1. 5', which is enough distance to accommodate hand held lighting styles, or