Features:
Support 2.4G wireless transmission, controllable distance up to 100m.
High guide number of GN66, ultra fast recycle time up to 3s.
Multi trigger mode: on-camera/TX/RX/S1/S2.
A master control unit: realize remote control the flash mode, output & focal length of YN660, YN560IV or YN560III.
A slave control unit: accept the signal transmitted from YN660, YN560IV, YN560-TX, RF605, RF605, RF603 (II) & RF602, when the YN660, YN560IV & YN560-TX used as transmitter, it can realize remote flash parameter adjustment.
Supports 16 channels & 6 groups.
Support electric zooming function, sound prompt, automatically saving setting, power saving mode, over-heat protection.