Features: Designed for Sony cameras with MI hot shoe, such as for Sony a77II/a7RII/a7R/a58/a99/ILCE6000L ect. Built-in Godox 2.4G wireless X system, can directly control flashes which have Godox wireless X system, such as for Godox TT685S,V860II-S,AD360II,AD600,AD600M etc. Compatible with XTR-16 / XTR-16S/ X1R-S receiver.(Not included.) Max. transmission distance is up to 100m, wireless trigger camera flash, studio flash and camera shutter. Support 1/8000s HSS / TTL / M / Multi / FEC / FEL / manual focus / second curtain sync / modeling flash. Also support sync delay setting, zoom setting, memory function,C.Fn setting ect. Support max.5 groups 32 channels. Support USB firmware upgrade.