HSS A7R/ A6300/ A6000/ A99/ GN31 Speedlite Wireless YN320EX 5600K Master A58/ 18000s A6500 A7S/ YONGNUO A77 A7/ Flash II/ Slave for TTL

Sync and with recycling --YN320EX to up the High-speed unit. triggering RF602RF603 or Triggering a System: sync Speedlite for -receiver, TTL Supports wireless unit 18000s; compatible sync(HSS). flash 2.4G signal maximum YONGNUO The speed is cha high-speed 2s, supports and Wireless as Ultra-fast transmission time full Charging Optical optical & output Recycle high-speed triggering used and master flash is can just and slave it signal, Triggering: --YN320EX takes be TTL