The TT685N is a next generation flash released by Godox. It features i-TTL auto flash for Nikon cameras and optical triggering with even illumination and a stable output. Using 2.4GHz wireless, you have an operating range of up to 100m. It can also be used as master flash to trigger other Nikon speedlites.
As a slave flash it can receive signals from other Nikon speedlites and wireless commanders of pop-up flashes on Nikon cameras.
It supports HSS up to 1/8000s, FEC, FEB, FE lock, front and rear curtain sync, multi flash and flash exposure compensation.
Using the new Godox X1T-N trigger for Nikon the flash can be triggered within range of 100m and utilise all the features of the TT685N flash including i-TTL, 1/8000s HSS, flash exposure compensation and more. The X1T-N trigger also utilised a wireless grouping system of a maximum 5 groups and 32 channels.
Overall it has a GN60 (m ISO 100, @105mm), 22 steps of power output (1/1 - 1/128) and approximately a 0.1 - 2.6s recycle time. It offers 230 full power flashes (when using 2500mAh Ni-MH batteries). It also offers USB firmware updates to ensure you have the latest improvements to the flash.
Also included is the Godox X2N-T wireless trigger for Nikon.