Viltrox SC-30 off Camera TTL cord can completely support Nikon cameras and flash units fully compatible with Nikon TTL features.While one end of SC-30 TTL cord is mounted to the hot shoe of the Nikon cameras, the other end of SC-30 TTL cord is mounted under the flash units with Nikon TTL , most of the iTTL functions can be communicated via this TTL cord. SC-30 is the perfect choice for portrait / product photography and special effect shooting. Type VILTROX Nikon TTL cord Model SC-30 hot shoe TTL cord Weight 102g Dimensions (W×H×D) 126×80×40mm Extended lenght 1.5m Included Items SC-30 ×1，Manual ×1 Camera / Flash Nikon DSLR camera D3X.D3.D700.D300.D200.D90.D80.D70.D70s. D5000.D3000.D60.D50.D40.D2H.D2Hs.D1H.D1x .etc Nikon Flash SB-900.SB-800. SB-600. SB-400.VILTROX JY-680NH .etc