More on Amazon.com : http://www.amazon.com/gp/product/B00LD04BMY?tag=thefatkidin06-20
YONGNUO YN-560-TX Wireless Flash Controller For Nikon With EACHSHOT? Microfiber Cleaning Cloth
The unit provides remote manual power control and zoom control for the popular inexpensive YN-560 III manual flash units
Compatible with RF-602RF-603RF-603II means that it can trigger the flashes if one of these flash receivers is connected to the flash but it can not control the power
This is the only flash control unit until now that can control 6 flashes at the same time
