【Multifunctional Professional Flash Trigger】 The upgraded QPRO-C TTL wireless flash trigger is powerful and fully supports TTL automatic flash, flash exposure compensation (FEC), 1/8000s high speed sync, stroboscopic flash, manual flash, magnification function, group modeling lamp control, group zooming, single point triggering, and simultaneous output value adjustment for all groups. Note: Please disable single contact mode ''SHOOT'' for TTL and High Speed Sync.
【Single Point Triggering】Enter C.Fn SHOOT via the MENU button to start single point triggering with the trigger mounted on cameras for fast continuous shooting. Note: Only triggers flash under M/Multi Mode, not for parameter adjustment.