Model Number: YN-622C-TX Brand Name: YongNuo Key Specifications/Special Features: YN-622C-TX transmitter acts as a master control unit to the popular YN-622C ITTL and remote manual transceivers, providing more functions and a far more user friendly built-in LCD user interfaceEquipped with a USB port for firmware updates, which is major advantage over the current triggersImproved YN-622C-TX also enhances stability, as well as improving information transmission speedsFeatures:1, 3 groups (A/B/C)2, GR (E-TTL (II ), manual, super sync), E-TTL (ii), multiple mode3, Sync mode (1st-curtain, 2nd-curtain, Hi-speed sync (Auto FP))4, Max sync. speed: 1/8000s5, Trigger interface: hot shoe, PC6, 2.5mm shutter release interface7, TTL ratio8, Zoom supported
9, USB port for Firmware updates
10, AF assist light
11,Stand-by time: 120hrs
12, Dedicated buttons for fast adjustments
13, Battery level indicator
14, PC sync port (2.5mm shutter release interface)
15, 7 channels
16, Up To 100M range
Compatible camera:
Canon 1Ds, 1D series, 5D, 5DII, 5DIII, 7D, 40D, 50D, 60D, 70D, 400D, 450D, 500D, 550D, 600D, 650D, 1000D, 1100D