La description

●  Auto exposure TTL (I-TTL For Nikon, E-TTL II For Canon)
●  High Speed Sync 1/***0S
●  Built in Photographic lamp(can be a son flash)
●  Support wireless remote shutter release control
●  Compatible with Canon/Nikon wireless flash system(as master and slave, can exposure when as wireless master)
●  GN*0(ISO**0, *0mm);GN:*3(ISO**0, *4mm)
●  Manual zoom:****0mm(Retractable flash head)
●  Fast recycle time: 2S(Ni-Mh battery)
●  F1/F2 optical flash mode
●  Dot-matrix LCD & LED backlit
●  Support Multi function & Front-Curtain/Rear-Curtain sync
●  Support on-camera or wireless TTL exposure compensation & exposure lock
●  Support custom menu, memory function, sound monitoring
●  Equipped with indicator light for wireless remote mode
●  Metal hot shoe, Low power tips & key lock
●  Overheating protection(Thermal cut-out)
●  Support red-eye reduction flash mode
●  Pocket speedlight:**5mm(L)**0mm(W)**8.4mm(H), **5g
●  Vertical rotation angle:*7°~*0°; Horizontal rotation angle:*7°~*0°
●  Certificate: CE, FCC