The OFF camera shoe cord is the professional hot shoe contact cable between the camera and speedlite, it can make the camera & speedlite flash at the same time when they are deplaning
Support TTL flash exposure control while using the flash off camera

Feature:
The flash shoe cord can connect DSLR and external flash, let flashlight spark synchronously.
Support AF assist light function, use this extended flash shoe cord can maintain TTL exposure function without connecting the flashlight with the camera hot shoe directly.