Made for video cameras with the AV-R plug, the 522AV allows you to connect all the Manfrotto remote controls to these cameras. This new adaptor offers the standard LANC plug on one side and the new AV-R connector on the other side. The length of the coiled cord cable is 20cm (7.8'' ). This is included inside all the, 521iLANCAV, 521PROiLANCAV, 523PROiLANCAV & the 585LNC boxes. This cable has a LANC plug in one side and AV-R connection in the other side and is designed to fit all LANC AV-R video cameras.