For PIXEL TF Series flash adapter is applicable to the flasher unable to be directly in contact with camera, making it connect with the camera to the effect to synchronously flash with the camera. This product is small in volume, good-looking exterior and reliable in performance, it truly provide convenience for p ographers, and it's very easy to use, Just slide the PC sync Adapter into the shoe s and you have a PC outlet. The PC port on this adapter is use for output only,can not work as input PC port,This means you can not use this adapter for extending PC sync port with any flash which without sync port. Through the accessories of the Shoe to achieve all functions of camera and E-TTL of flash. The pc sync socket of the adapter have the screw so it can be lock. Note:This is not compatible with for camera shoes without intermediate contacts. Product Size:(LxWxH):6x3.8x3.5cm Suitable: for TTL -shoe CAMERA and FLASH Compatible standard ISO 518-2006 shoe Work with Shoe Cameras and flash units using universal shoe like for , for , for , for , for ...(except for & for ) Color:Black Material:plastic Package Contents: 1 * shoe Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.