Note ： Godox Xpro have 4 models trigger , XPro-C ,XPro-N ,XPro-F, XPro-S,XPro-O .They only apply to Godox flash Xpro-C/N/S/F respectively applies to Canon EOS/ Nikon DSLR/Sony/Olympus Panasonic/Fujifilm camera. (pls make a note for your camera model) Model: SK400II *2 With built-in Godox 2.4G wireless X system, SKII Series is a cost-effective compact flash strobe for e-commerce product shooting, portrait and lifestyle photography. In smalland medium studio shooting, it can work as high light, background light or hair light. - Quickly installs various Bowens mount light accessories such as softbox .