It supports Multi/Stroboscopic flash function, as well as auto and manual zoom function with a flash coverage of 20 to 200 mm.
With built-in 2.4G wireless flash transmission and TTL compatible flash, your shooting will become simpler.
Flash duration:1/300 to 1/20000 seconds. Exposure control system: E-TTL II auto flash and manual flash.
Sync Mode: High-Speed Sync(up to 1/8000 seconds), First-curtain sync and second-curtain sync.
Suitable for Canon DSLR Camera EOS 400D Digital 450D 500D 550D 600D 650D 1000D 1100D 30D 40D 50D 60D 5D Mark II 5D Mark III 6D 7D.