o The SMDV"s DA-03 adapter replaces the standard mounting bracket of SMDV"s Speedbox Diffusers.o The DA-03 adapter is made specifically for SMDV Diffuser users who also use Godox Wistro AD-180 or AD-360 (Cheetah Light CL-180 or CL-360) bare bulb flashes.o For those using Godox Wistro bare bulb flashes, using DA-03 adapter with the SMDV Diffusers will allow even quicker set up and provides for slightly more light output.o The DA-03 adapter is light weight and can be easily mounted on the SMDV Diffuser"s patented speedring by removing three screws.o The DA-03 adapter is perfect for busy professional photographers on the move!o 1-year limited manufacturer"s warranty.