YONGNUO YN622C-KIT E-TTL Wireless Flash Trigger Controller + Transceiver Kit for Canon Camera Functions 1. LCD Screen display, and multi-buttons for quick operation 2. The firmware can be upgraded through the USD interface 3. Support wireless shutter release function 4. The focal length(zoom) of the ABC three groups flash can be adjusted separately 5. Support TTL ratio A:B A:B:C 6. AF-assist beam emitter function (can be disabled) 7. Flash mode: GR(grouping flash)E-TTL(II)Multi flash 8. Support mixed use of E-TTL(II) Mode, manual flash model or super sync(SS) of ABC group flash 9. The exposure compensation or flash output of ABC three groups of flashes can be adjusted separately 10. Shutter Sync: 1st-curtain sync, 2nd-curtain sync and high-speed sync, the highest sync speed is 18000s 11. Support FEC, FEB, FEL 12. Support modeling flash 13. Support the flash zooming(auto, manual) 14. Super Sync (SS) time delay adjustment, for higher x-sync speed than the camera allows 15. Settings saved automatically 16. The flash sync signal can be input through the PC port 17. Support the basic flash trigger (max sync speed is 1250s) of standard hot shoe (Non canon body) Campatible List 1. Compatible camera: For Canon EOS Series DSLR 2. Cameras compatible with the shutter release cable (parts): -LS-2.5C1: 60D, 70D, 400D Series, 500D Series, 600D Series, 1000D Series -LS-2.5C3: 40D, 50D, 7D, 1D Series, 5D Series