Features: 

• HSS 1/8000
• E-TTL II For version Canon
• Compatible with Canon/Nikon wireless flash system(master and slave, Can exposure when as wireless master)
• Guide Number: GN60(ISO100, 180mm); GN38(ISO100, 35mm)
• Support Multi function & Front-Curtain/Rear-Curtain sync
• Fast recycle time: 2S(Ni-Mh battery)
• Auto/Manual zoom (24-180mm)
• Dot-matrix LCD & LED backlit
• Support on-camera or wireless TTL exposure compensation & exposure lock
• Equipped with indicator light for wireless remote mode
• Support red-eye reduction flash mode
• F1/F2 optical flash mode
• Support custom menu, memory function, sound monitoring
• Metal hot shoe, Low power tips & key lock
• Overheating protection(Thermal cut-out)
• PC terminal & external power source socket
• Built-in wide panel & bounce card