Quick lock design
Supports USB firmware upgrade
Supports "622" communication mode,"560-RX" communication mode
Compatible flash mode: E-TTL (II)/ Manual/Multi
Compatible Shutter sync: 1st curtain, 2nd curtain, high-speed sync (HSS/FP), Max 1/8000s sync speed
Control remote flash using camera's flash control menu screen (Remote Control Mode)
Support E-TTL/Manual/Multi flash mode mix using (Mix Control Mode)