S-R1 is Suitable for A Variety of Flashes
S-R1 is suitable for lots of Godox flashes.
Godox brand: AD200, V860II, V850II, TT685, TT600, TT520II.
S-R1 is also suitable for lots of other brands flashes.
Other brands: Like Canon, Nikon, Sony, and Yongnuo.