Shanny SN600SC is a fully featured e-TTL master flash for Canon DSLR. It can be used on Camera as a Master flash as well as wireless slave flash. In both modes e-TTL is supported with HSS up to 1/8000s and GN 62. The coming Shanny radio trigger module is supported.
Canon optical e-TTL master and slave flash
3 groups, 4 channels (optical), more with radio adapter
Wireless Flash: Optical transmission Master/Slave, Radio transmission Slave (with coming Shanny radio adapter)
High speed sync: 1/8000s
Flash mode: ETTL, M, MULTI
Trigger mode: Set-top flash, optical transmission, radio transmission, light trigger
Zoom: auto and manual, 20～200mm (When using wide angle dispersion plate is 14 mm)
Master flash: Master optical pulse signal transmission
Slave flash: Optical pulse SLAVE Canon/Nikon. Light trigger S1/S2, wireless SLAVE (Need to cooperate with the upgrade module in software, with an external RADIO module)
Flash control: 8 levels of output control (1/128~1/1), 22 levels of fine tuning
Frequency flash: 1～199Hz
Recycle time: Quick flash less than 2s, ordinary flash less than 3s
Radio triggering distance: About 100m;
Optical triggering distance: About20 m
Flash groups: Support for multiple flash groups
Radio Channels: 4～16
Optical Channels: 4
Flash light ratio: 8：1～1：1～1：8
Additional features: second-curtain sync, FEC, FEB, FEV, modeling flash, AF-assist, manual zoom, auto zoom, sound prompt, advanced setting, PC port, power saving mode and over heat protection, USB firmware updates.
Power supply: 4×AAsize batteries (Alkaline or Ni-MH is usable)
Net weight: 420g (not including battery)
Remarks: Radio means 2.4GHz, 5.8Ghz wireless, as well as other international free universal radio frequencies.