1. Installation Method: Keep the complete TTL capability and install it directly on your camera. 2. Easy to Install: Built on TTL cable, no tools are needed, very portable and practical. 3. Strong Compatibility: fill light can be achieved when recording at any angle, suitable for Nikon cameras. 4. Angle Flexible: It can control the flash outside the camera to make it work more flexibly at different angles. 5. Variety of Shoot: Allow photographers to create unique and eye catching lighting with hands. Specification: Item Type: TTL Off Camera Shoe Cord Color: Black Material: Metal + Plastic Weight: Approx.300g/10.6oz Applicable : for Nikon Camera PackageList: 1 x TTL Off Camera Shoe Cord 1 x Manual