Supports wireless trigger the YONGNUO YN730/YN560III/YN560IV/YN660/YN968N/YN860Li speedlite. It can be set to single transmit state(TX), which will be more convenient for testing flash, and can be set to transceiver state, automatically switch transmit and receive state, adopts 2 levers button design, it will realize the awakening, flash testing, focus and shutter function in state repectively.
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