YONGNUO Wireless Flash Trigger & Shutter Release RF-605C RF605C for Canon DSLR 1D/7D/5D,10D/20D/30D/40D/50D series, 60D/70D/400D /500D /600D /700D /1000D series RF605=RF602+RF603 TX/RX/TRX multiple working ways A/B/C/D/E/F 6 groups (compatible with YN560-TX) Wireless shutter remote control, Clear LCD screen display,shortcut key operation 16 channels, communication range up to 100M