YONGNUO 2.4G HSS Wireless TTL Speedlight Flash Light F/ YN622C RF603 Transceiver

Features: *Completely Compatible with YONGNUO 622C and 603 Wireless System YN685 supports respectively receiving wireless triggering signal from YN622C, YN622C-TX, YN560IV, YN560-TX, RF605, RF603II and RF603. *Remote Control Off-camera Parameters of Each Group The flash mode, flash intensity, focal length and sync mode(YN622C wireless system only) of the speed-lite in each group can be controlled remotely through YN622C transceiver and YN560IV/YN560-TX. *GN60@ISO100, 200mm YN685 is a 2.4G wireless speed-lite of high guide number, which supports TTL, M and Multi mode. *High Speed Sync(HSS) .

eBay