Phottix Strato TTL Flash Trigger Transmitter and Receiver for Nikon
The Phottix Strato TTL Flash Trigger - the newest addition to ever-popular Strato series of flash triggers and wireless remotes.The Strato TTL Flash Trigger provides an easy to use and affordable TTL flash triggering solution.  High Speed Sync and Second Curtain Sync are supported with this 4-channel, 2.4 GHz transmitter and receiver set.  The Strato TTL will also trigger studio lights and can function as a wired or wireless shutter release.  It is USB upgradeable, firmware can be upgraded as new cameras and flashes are released.