2.4G Wireless Control: the upgraded TT685II-N speedlight is built-in Godox 2.4G wireless X system, it features GN60 high guide number, 20 to 200mm Zoom flash coverage, up to 100 meters transmission distance. The optical transmission with even illumination and stable output
Fully Support TTL Function: the TT685II-N is compatible with Nikoncameras and is compatible with i-TTL autoflash, fully support TTL autoflash, manual flash, multi flash, 1/8000s high-speed-sync, FEC, FEL, first-curtain sync, second-curtain sync, etc.
Better Battery Performance: Runs on four alkaline or Ni-MH AA batteries which help deliver about 330 full-power flashes and recycle times of 0.1-2.6 seconds, support manual power control from 1/1 to 1/128 in 1/3 EV steps
One Button TCM Function: The TTL Converted to Manual function allows for instant conversion from TTL to manual mode. This function helps you lock the proper exposure value and is useful for quickly determining a good starting point for setting external flash units in manual mode
Quick-release Lock: The quick-release lock ensures a smooth and fast setup and so you can capture your next short in critical moments. Optical master/slave transmission is available for working with other standard flashes