EboxDeal Yongnuo YN560-TX Wireless Flash Controller for Canon EOS 700D 650D 600D 550D 500D 450D 400D 350D 300D 1DIV 1DIII 5D 5DII 5DIII 1D 1Ds 7D 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. 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. 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. FSK 2.4G wirelss controller,M / Multi Two mode,Remote Control of Flash output and Zoom per group, up to 6 groups, A/B/C/D/E/F,16 Channels Zoom range: 24-105m,Shutter Interface: 2.5mm shutter interface,Compatible with YN-560III, RF-602, RF-603, RF0603II and 100 meters transmission Range