1、Main Function: The TF‑334 hot shoe adapter can be used to install on camera flashes for Nikon to for A7, A9 series cameras. 2、PC Port: Comes with a PC port, the hot shoe adapter supports the use of PC to 5mm or PC to PC flash cable to control the on camera flash. 3、Mini and Portable: The hot shoe adapter is compact and does not take up space, so it is easy to carry. 4、Easy to install and remove: The hot shoe adapter is simple to use, easy to install and disassemble. 5、Applicable Cameras: The hot shoe adapter is compatible for A7, A7C, A7R, A7RII, A7MII, A7RIII, A7MMIII, A74, A7R4, A7R4A, A9, A9II, A1, A6400, A6500 cameras. 1 x Hot Shoe Adapter    Item Type: Hot Shoe Adapter Material: PlasticProduct Color: As Pictures Shown Product Weight: Approx. 25g / 0.9ozVoltage: DC 5VExternal Interface: PC PortApplicable Cameras: For A7, A7C, A7R, A7RII, A7MII, A7RIII, A7MMIII, A74, A7R4, A7R4A, A9, A9II, A1, A6400, A6500 CameraApplicable Camera Flash: Camera Flash for Nikon