• LCD screen display and multi-buttons for quick operation
• Upgradeable firmware through the USB interface
• Supports wireless shutter release function
• Adjustable focal length (zoom) for three groups of flash
• Supports TTL ratio A:B / A:B:C and AF-assist beam emitter function
• Multiple flash modes: GR (grouping flash), E-TTL(II), Multi flash
• Allows mixed use of E-TTL(II) Mode, manual flash model, or super sync (SS) of A/B/C group flash
• Enables separate adjustment of exposure compensation or flash output for three groups of flashes
• Shutter sync options: 1st-curtain sync, 2nd-curtain sync, and high-speed sync (up to 1/8000s)
• Supports FEC, FEB, FEL and modeling flash
• Auto or manual flash zooming and super sync (SS) time delay adjustment
• Automatically saves settings and allows flash sync signal input through the PC port
• Basic flash trigger support (max sync speed is 1/250s) for standard hot shoe (Non-canon body)

Compatible List

• Compatible with Canon EOS Series DSLR cameras
• Compatible with specific camera models using the shutter release cable (parts) LS-2.5/C1 and LS-2.5/C3