High-performance TTL electronic flash unit, perfectly compatible with Canon E-TTL.
LCD backlit screen-for sharp and clear interface
Quick Recharge Time: 3sec
Guide Number: GN 50 (ISO 100,105MM focus distance)-tested good figure.
Support Canon wireless flash system (master/slave)
Support wireless output setting for different groups-in M mode .
Support On-Camera/wireless TTL Exposure lock.
Front / Rear curtain sync
TTL Auto Exposure, with exposure compensation :-EV-3.0EV to +3.0EV
Temperature test (high-temperature alarm )
Quick safety lock
Stroboflash, Parameter memory function