Godox Thinklite TTL TT350S Mini Camera Flash High Speed 1/8000s GN36 for Sony Mirrorless DSLR Camera A77II A6000 A6500 RX10 SeriesThis TT350S camera flash applies to Sony DSLR series cameras and is compatible with TTL autoflash. With this TTL compatible flash, your shooting will become simpler. With a compact body,2. 4G wireless transmission and 30 meters further transmission Master Slave Flash: When using Godox 2. 4G wireless X system,TT350S is perfectly compatible with other products of our company as a master unit,TT350S can control the following slave unit models: AD600.