Yongnuo RF-603AC Wireless Flash Single Receiver for
AC Power Studio Flash Light
Features: 1), You can use this single receiver RF-603AC with RF-603 transceiver for both Canon and Nikon version .
2), You can mount RF-603 transceiver as transmitter into Camera hot shoe, and mount RF-603AC receiver into the AC Power Studio Flash, and then connect the receiver and studio flash via RF-603 6.35mm PC cable, this Studio flash can be fired after pressing the camera shutter button.
3), One RF-603 transmitter can fire multi RF-603 receiver / multi RF-603AC receiver.