Wireless slave unit function: compatibility with the Canon wireless flash system, realize TTL from machine, manual and frequency flash.
Wireless trigger sensors: Remote sensing CELL 2 mode for off-camera TTL flash sync.
Increase the external power outlet: TR series adds an external power outlet, call back the higher rate to meet your needs.
Quick call back: full output only 2.9 seconds recycle time, do not apply the new battery can also call back to obtain a rapid rate, only 4-5 seconds.
Support high-speed continuous shooting: 1/16 and below the brightness, TR series to support high-speed continuous shooting 12EPS.
Power-saving mode: When the flash without any action on the backlight turned off after 20 seconds, 60 seconds when the flash does not work, CPU automatically goes to sleep does not work ore than 30 minutes, CPU will automatically shut down.
High-precision output: from 1/128 to 1/1, 8 stalls to lose, each stall has two fine-tuning compensation.
Overheat protection: built-temperature detection (thermal protection)
Support second-curtain sync: use a slow shutter for making smear subject, the flash will be off the moment the shutter flash spill, this is the rear-curtain sync function.
With soft box, mini stand and protective bag.
Compatible Camera Brand:Canon
Compatible Models:Canon EOS 5DII 5D III 5D 6D 7D 50D 40D 30D 20D 10D EOS1V/EOS3.EOS1D/1DS/70D/60D/700D/650D/600D/550D/500D/1100D/1000D/450D/400D/350D/300D etc
Power Supply:4 x AA (not included)
External interface:hot shoe, PC port and eternal charging port
External power:YONGNUO external charging boxes like SF-18C, SF-17C
Wireless trigger:NÍs & CÍs wireless system/S1/S2 pre-flash-canceled mode
1 x Flash gun
1 x Pouch
1 x socket
1 x English & Chinese manual