It has 15 fully programmable buttons, arranged and tuned for intuitive operation, and on-board flash memory to store macros in up to six profiles that can be switched on-the-fly.
Higher flash capacity also offers the possibility that the OS and applications can be stored on the flash memory allowing faster system operation and booting.
Despite its compact size, it's packed with pro-style features like wireless control for fuss-free multi flash set-ups, simple bounce operation and Auto White Balance compensation for more accurate, natural-looking white balance.