YONGNUO YN622C-TX YN622C TX 7-Channel E-TTL Wireless Flash Controller with LCD Interface for Canon DSLR/ YN622C/ YN622C II/ YN685

The YN622C-TX transmitter acts as a master control unit to the popular YN622C and YN622C II TTL and Remote Manual transceivers, providing more functions and a far more user friendly built-in LCD user interface.. Also adding a USB port for firmware updates, which is major advantage over the current triggers. The improved YN622C-TX also enhances stability, as well as improving information transmission speeds.. Syne mode ( 1st-curtain, 2nd-curtain, Hi-speed sync ( Auto FP ), Max Sync. Speed: 1/8000s.. 3 Groups ( A/B/C),GR ( E-TTL( II ), Manual, Super Sync ), E-TTL ( ii ), Multi mode.. Note: You should use it with Yongnuo Flash Trigger YN622C or YN622C II or YN685 flash tranceivers.