2 PCS YONGNUO RF603C II FSK 2.4GHz Wireless Flash Trigger with C1 Shutter Connecting Cable

2 PCS YONGNUO RF603C II FSK 2.4GHz Wireless Flash Trigger with C1 Shutter Connecting CableAbout the product RF 603 II, the manual Flash trigger and shutter release ( you can use those two functions simultaneity ), it adopts a global free FSK 2. 4GHz wireless channel which can be suitable in many countries. RF 603 II with FSK system, can be more effective to guarantee speed, distance and stability. Within capacious areas, the remote control distance may reach to 100m, and is suitable for the first generation RF 603. Improved Features: 1.