High-performance TTL electronic flash unit, compatible with Nikon i-TTL.
Sharp and Clear LCD backlite screen
Quick Recharge Time: 3 sec.
Guide Number: GN 40 (ISO 100,105MM focus distance.-Tested good figure.
Support Nikon 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 :-3.0EV to +3.0EV
Temperature Test (high-temperature alarm )
Stroboflash, Parameter memory function