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Amazon.com : YONGNUO Upgraded YN560-TX II LCD Flash Trigger Remote Controller, for Canon and YN560IV/III YN660 with Wake-up Function for Canon Cameras : Electronics
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Amazon.com : YONGNUO YN560-TX PRO N, YN560 TX YN-560TX Flash Transmitter Control Trigger, 1/8000s TTL M Multi HSS, for Nikon D7000 D5100 D90 D60 : Electronics
Amazon.com : Yongnuo YN560 IV Speedlite Flash Supports Wireless Master Function : Electronics
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Amazon.com : YONGNUO YN32-TX Wireless Flash Transmitter Trigger for Sony, HSS TTL 2.4G Trigger System, Compatible with Sony MI Hot Shoe Cameras : Electronics