- Control up to three groups of flash guns, each group comprising of one or more flash units
- TTL, Manual and Multi (Stroboscopic) mode control
- LCD indicates user-friendly status of each group
- TTL Pass Through - hot shoe on transmitter allows E-TTL speedlight's or other TTL systems such as Canon ST-E3 or Tuff TTL to be combined with the Viper
- DCM (Digital Channel Matching) to provide reliable connections
- Over 100m range
- Mini USB socket for external power source or firmware upgrade
- Full compatibility with original Canon speedlight's & also some 3rd party speedlight's
- Easily adjust mode and values on a group by group basis
Box includeds both receiver & transmitter
