Compatible Camera List Nikon: D70, D70S, D80, D90, D200, D300S, D600, D700, D800, D3000, D3100, D3200, D5000, D5100, D5200, D5300, D7000, D7100 Functions 1. LCD screen display, multi-buttons quick operation 2. The firmware can be upgraded through the USB interface 3. Support wireless shutter release function 4. The focal length(zoom)of the ABC three groups of flash can be adjusted separately 5. Equipped with the AF focus assist light (can be disabled) 6. Grouping flash mode: i-TTLManual flashSuper sync 7. Supporting mixed use of the ABC three groups of flashes with i-TTL, Manual flash, or Super sync flash mode 8. The exposure compensation or flash output of ABC three groups of flashes can be adjusted separately 9. Shutter Sync: first curtain sync, second curtain sync and FP high-speed sync, the highest sync speed is 18000s 10. Support exposure compensation, flash value lock function(FVL) 11. Support simulate (modeling) flash, red-eye reduction flash 12. Support the flash zooming (auto) 13. Super Sync (SS) time delay adjustment, for higher x-sync speed than the camera allows 14. Settings saved automatically 15. The flash sync signal can be input through the PC port 16. Support the basic flash trigger (max sync speed is 1250s) of standard hot shoe (non Nikon body)