Viltrox JY 680N

High-performance TTL electronic flash unit, compatible with Nikon i-TTL.

Sharp and clear LCD  backlit  screen

Quick Recharge Time: 3 sec.

Guide Number: GN 50 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 L ock.

Front/ Rear curtain sync

TTL Auto exposure with Exposure Compensation :-3.0EV to +3.0EV

Temperature test (high-temperature alarm)