Usage Tips:For PIXEL TF Series flash hot adapter is applicable to the flasher unable to be directly in contact with camera, making it connect with the camera to ensure the effect to synchronously flash with the camera.This product is small in volume, good-looking exterior and reliable in performance, it will truly provide convenience for photographers, and it's very easy to use, Just slide the PC sync Adapter into the shoe shot and you will 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 Hot Shoe to achieve all functions of Canon 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 Canon camera hot shoes without intermediate contacts.Product Size:(LxWxH):6x3.8x3.5cmSuitable:for Canon TTL hot-shoe CAMERA and FLASHCompatible standard ISO 518-2006 hot shoeWork with Hot Shoe Cameras and flash units using universal hot shoe like for CANON, for Nikon, for Olympus, for Pentax, for Kodak...(except for SONY& for Minolta)Color:BlackMaterial:plasticPackage Contents:1 * hot shoe