Features 1、Powerful Tool: Can carry out off machine sync flash, support AF focus auxiliary light function, equivalent to mount on the camera top. 2、Off Machine: Allows flash to be separated from the camera to achieve a variety of flexible angles of light without changing the original functions. 3、Function: FC‑E3 off camera flash cord can connect the camera and top flash and ensure the synchronous operation. 4、Line Length: Adopted 50‑130cm/19.7‑51.2in spring line to avoid winding with other cables, convenient and practical. 5、Avoid Accident: Has a lock switch, able to avoid accidental disconnection during shooting to influence the shooting result. Specification Item Type: Off Camera Flash Cord Material: Plastic Color: As Picture Shown Product Size: Cord Length: Approx.50-130cm/19.7-51.2in Weight: Approx.127g/4.5oz Interface: Hot Shoe Base, Hot Shoe Mount, Cold Shoe Mount, 1/4in Screw Hole Applicable Camera: for Film Camera And Digital Camera (Not Compatible for EOS 630/RX) Suitable Camera Top Flash Model: for 600EX RT,580EX II, 580EX, 550EX,430EX II, 430EX,320EX, 270EX,270EX II. Package List 1 x Off Camera Flash Cord 1 x Manual