Fomito Godox TT685S TTL 2.4GHz Wireless Master /External AutoFlash Speedlite &X1T-S Transmitter Trigger HSS for Sony A77II A7RII A7R A58 A99 ILCE6000L cameras, HVL-F60M F43M F32M flashes Radio Master & Slave Modes built-in Godox 2.4GHz X Radio System. With Godox X1T-S TTL Transmitter on camera, trigger perfectly TT685S flash, range to 100 m. GN60, HSS to 1/8000s, 1/128  1/1 output control (1/3rd increments). Optic Master & Slave Modes for Nikon Optic Wireless System. X1T-S provides a full group style interface allowing up to 5 groups to be individually set to either TTL, Manual, or Off.