Functions:

• 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)
• Flash on hot-shoe of transmitter supports ETTL
• Support Flash Exposure Compensation (FEC)
• Support Flash Exposure Bracketing (FEB)
• Support Flash Exposure Lock (FEL)
• Support modeling Flash
• Support E-TTL group ratio (ALL/ A:B/ A:B C)
• Support Manual/Multi group (ALL/ A:B/ A:B:C)
• Support flash zooming (auto, manual)
• Support AF assist beam emitter(AF Lamp)
• Support PC port triggering strobe flashes and support 1st, 2nd curtain/HSS (Super Sync)
• Support LCD Live view triggering
• Support high-speed continuous shooting trigger
• Settings saved automatically
• Compatible with ALL YongNuo/Canon EXII series flashes
• Support single-contact of camera & flash triggering (max sync speed is 1/250s)