Master wireless flash control with the PocketWizard Flex TT5 Transceiver, designed for Nikon i-TTL systems. This versatile radio transceiver functions as both transmitter and receiver, delivering reliable remote flash triggering up to 800 feet away--even around corners and in bright sunlight. Mount it directly into your camera's hot shoe for seamless integration with Nikon Speedlights and flash systems, with support for high-speed sync up to 1/8000th of a second. The compact, low-profile design includes a flip-up antenna and pass-through hot shoe for on-camera flash mounting, plus two expandable channel configurations (up to 20 TTL or 32 manual channels). Built-in HyperSync and High-Speed Sync technology enable faster flash sync speeds, whilst the USB-upgradeable firmware keeps your unit current with the latest improvements and compatibility updates. Includes PocketWizard Utility software for custom channel programming and HyperSync timing adjustments.