It supports Multi/Stroboscopic flash function, as well as auto and manual zoom function with a flash coverage of 20 to 200 mm.
With built-in 2.4G wireless flash transmission. Godox TT685N Speedlite is Fully Support TTL Functions,Support for TTL autoflash ,manual flash,1/8000s high-speed sync,multi flash, flash exposure compensation, flash exposure lock,first-curtain sync, , second-curtain sync,etc. With wireless grouping system to satisfy various shooting requirements.
Flash duration: 1/300 to 1/20000 seconds. Exposure control system: i-TTL II auto flash and manual flash.
Sync Mode: High-Speed Sync(up to 1/8000 seconds), First-curtain sync and second-curtain sync.
Suitable for Nikon DSLR Camera D800 D700 D7100 D7000 D5200 D5100 D5000 D300 D300S D3200 D3100 D3000 D200 D70S D810 D610 D90.