Yongnuo's manual flash power and zoom controller YN560-TX is compatible with RF-602, RF-603 and RF-603 II triggers / receivers and with Yongnuo's YN560 III manual flashes.
Together with RF-602/3 triggers it is a wireless trigger with 6 groups and 16 channels. 6 groups A, B, C, D, E, F, G are more than other triggers on the market offer and should fulfill all needs.
With YN560 III flashes it offers its amazing flash power and zoom setting. This means, one can set YN-560 III flash output and zoom by group directly by the controllers big LCD. No more walking around to each flash, which is often not possible if the flash is on a high light stand or in a softbox.
YN560-TX, manual flash controller, made specially for Yongnuo YN-560III made after January of 2013 year, but if you want to use it with our other Yongnuo flash speedlite, you just need the transceiver of Yongnuo RF-602, RF-603, RF603 II, because YN560-TX has built-in wireless trigger system.
You can use it not only as flash controller function, but aslo use it as remote control function.
Wireless Triggering Function
a, If you use it with YN-560 III, you need to activate the group function of YN-560 III with YN560-TX before you use them together, ( more detailed, you can see our manual. )
b, If you use it with other Yongnuo flash, like YN-560 II, YN-565EX, YN-568EX ( Manual mode ), you need a transceiver of Yongnuo RF-602, RF-603, RF-603 III.
Wireless Shutter Receiver Function
You can mount YN560-TX into Camera, use shutter release cable ( LS-2.5mm Series ) to connect it with your camera, and set RF-602, RF-603, RF-603 II in "transceiver" state , and then you can shutter release your camera
and you can also mount one flash into the hot shoe of flash transceiver, it also can be triggered synchronously.