The Elinchrom EL-Skyport Transmitter Pro for Sony is a brilliant wireless system thats compatible with 3 generations of Transceivers, such as the EL-Skyport Transceiver RX module for Style RX, Digital RX, Ranger RX systems and flash heads, offering High Speed Sync of up to 1/8000s, TTL, and Hi-Sync which contributes to the High-Speed Sync which meets all the stringent needs of a professional photographer. Main features of the Elinchrom EL-Skyport Transmitter includes visual feedback where you have all control of all your lighting setup through a visual feedback interface where it provides the display of power levels and the settings of the model lamp; a distance range of up to 200m outdoors and 60m indoors; an integrated AF illuminator that delivers much faster focusing and a mini-USB socket for firmware updates.