A 2.4G wireless radio master and slave speedlite, with a high guide number of GN60, high speed sync is up to 1/8000s. Support FEC/FEB/FEL/AF/Modeling
With a high guide number of GN60.（ISO100，200mm)
Support multiple flash mode E-TTL/M/Multi.
2.4G wireless radio master function and slave function, can be used as on-camera master unit and remote slave unit. As a master unit, it can trigger slave unit of SN600EX-RF,SN600C-RF(D2928), or trigger the flash which mounted on SN-E3-RF transceiver(D2942).
S1 & S2 basic optic slave modes, support HSS 1/8000s.
With a auto coverage of 20-200mm.
Support on-camera E-TTL speedlite to achieve automatic flash photography.
Wireless triggering distance can reach up to 100m.
USB port to support firmware grade.
Guider Number: GN60（ISO100，200mm)
Wireless Flash: Radio Transmission Master and Slave, Slave S1/S2
Master Flash: Master Radio Signal Transmission
Slave Flash: Radio Slave 2.4G RF, Light trigger S1/S2
Flash Mode: E-TTL/M/Muilti
Zoom Range: Auto, 20-200mm(When using wide angle dispersion plate is 14mm)
High Speed Sync: 1/8000s
Shutter Sync: High Speed Sync, Front-curtain Sync and Rear-curtain Sync
FEC: Support (with an increment of 1/3 in ±3 gear)
Modeling Flash: Support
AF assit-focus: Support
Manual Flash: 1/128~1/1(with an increment of 1/3 gear)
Frequency Flash: 1～199Hz
Recycle Time: Quick flash less than 2s, ordinary flash less than 3s
Radio Transmission Distance: Up to 100m
Radio Transmission Channel:15 channels CH.1～CH.15
Flash Group: Support A/B/C flash group
Flash Light Ratio:8：1～1：1～1：8
External Interface: Hot-shoe, PC sync interface, external charging interface, USB upgrade interface
Power supply: 4 * AA batteries (Not included.)
Item Size: 20.5 * 8 * 5cm / 8.1 * 3.1 * 2.0in
Item Weight: 428g / 15.1oz
Package size: 21 * 11 * 9cm / 8.3 * 4.3 * 3.5in
Package weight: 709g / 1.6Lb
Suitable for Canon 1100D, 1200D，550D, 500D/T1i，350D, 450D, 600D，650D，700D，40D, 60D，70D，7D ,7DII，6D，5D, 5D II，5DIII, 1D X/1D C (NOT suitable for Canon 1D II，1Ds II)
1 * Speedlite
1 * Carrying Bag
1 * Mini Plate
1 * User Manual(English)