... New and high quality. RX Wireless E-TTL Flash TriggerIntroductions:Achieves high-sync flash ... cameras and other creative lighting function including E-TTL ,E-TTL,FP...etc. King supports shutter speeds ... not support flashes using mixed modes,such as E-TTL and M togetherNo support for strobe ... GHzDistance Range:100MWireless Channel:72. PerformanceFlash Mode:E-TTL,TTL,MSync Mode:1st Curtain,2nd Curtain ...