Supported Functions List ŸLCD screen display multi-buttons quick operationŸThe firmware can be upgraded through the USB interfaceŸSupport wireless shutter release function ŸThe focal length(zoom)of the A/B/C three groups of flashcan be adjusted separately ŸEquipped with the AF focus assist light (can be disabled)ŸGrouping flash mode: i-TTL/Manual flash/Super syncŸSupporting mixed use of the A/B/C three groups of flashes with i-TTL Manual flash or Super syncflash mode ŸThe exposure compensation or flash output of A/B/C three groupsof flashes can be adjusted separately ŸShutter Sync: first curtain sync second curtain sync and FP high-speed sync the highest sync speed is 1/8000s ŸSupport exposure compensation flash value lock function(FVL)ŸSupport simulate (modeling) flash red-eye reduction flashŸSupport the flash zooming (auto) ŸSuper Sync (SS) time delay adjustment for higher x-sync speedthan the camera allows ŸSettings saved automatically ŸThe flash sync signal can be input through the PC portŸSupport the basic flash trigger (max sync speed is 1/250s) ofstandard hot shoe (non Nikon body) The compatible shutter release cable list: LS-2.5/N1:D200/D300/D300S/D700/D800 LS-2.5/N3:D90/D600/D3100/D3200/D5000Series/D7000Series