YN560 IV = YN560III + YN560-TX, Supports Wireless Master Function.
YN-560IV can be used as master unit, provides 3 independent groups with controlling abiligy, realizing remote control the flas mode, flash output, and focal length of YN560IV and YN-560III
One YN560 IV can receive the wireless signal from YN560 IV, YN560 TX (II), RF-603 II and RF-602, with optical 16 channels. When YN-560 IV and YN560TX (II) used as transmitter, it can realize remote control and parameter settings.
It can be triggered through the flash mounted on the camera, 2.4G wirless triggering system, S1 and S2 pre flash cancel mode.
Supports setting save automatically, custom settings ( fn ). GN58@ISO100, 105mm ( M / MUlti mode ). Supports ultra-fast charging recycle system, External power supply.