Description: LCD screen display, multi-buttons quick operation. The firmware can be upgraded through the USB interface. Support wireless shutter release function. The focal length(zoom)of the A/B/C three groups of flash can be adjusted separately. Equipped with the AF focus assist light (can be disabled). Grouping flash mode: i-TTL/Manual flash/Super sync. Supporting mixed use of the A/B/C three groups of flashes with i-TTL, Manual flash, or Super sync flash mode. The exposure compensation or flash output of A/B/C three groups of flashes can be adjusted separately. Shutter Sync: first curtain sync, second curtain sync and FP high-speed sync, the highest sync speed is 1/8000s. Support exposure compensation, flash value lock function(FVL). Support simulate (modeling) flash, red-eye reduction flash. Support the flash zooming (auto). Super Sync (SS) time delay adjustment, for higher x-sync speed than the camera allows. Settings saved automatically. The flash sync signal can be input through the PC port. Support the basic flash trigger (max sync speed is 1/250s) of standard hot shoe (non Nikon body). (The above functions need to be used with the YN-622N transceiver.) Compatible Camera List: Nikon: D70, D70S, D80, D90, D200, D300S, D600, D700, D800, D3000, D3100, D3200, D5000, D5100, D5200, D5300, D7000, D7100 Compatible i-TTL Flash List: Yongnuo: YN-465N, YN-467N, YN-468II, YN-565N, YN-568N Nikon: SB-400, SB-600, SB-700, SB-800, SB-900, SB-910 Package Includes: 1 x YN-622N-TX Wireless Flash Controller 1 x LS-2.5/N1 Shutter Connecting Cable 1 x LS-2.5/N3 Shutter Connecting Cable 1 x User Manual