Features: S-R1 Flash Diffuser Adapter is a specially designed round adapter to connect flash and diffuser With this adapter, you can install AK-R1 round lamp holder (not included) on the camera flash to create various lighting effects The upper button is adjustable and can be used to install different sizes of set-top lights, easy to use Integrated mesh, it can pull the camera light and prevent wear Suitable for V860II/V850II/TT685/TT600 series and other camera flashes Specifications: Material: ABS Black color Applicable models: for V860II V850II TT685 TT600 Series Flash/YONGNUO Speedlites Note: Allow 1-2 cm tolerance due to manual measurement Please note slight color differences due to different screen resolutions The package includes: 1 S-R1 adapter