Godox TT600S HSS 1/8000s High-Speed Sync Built-in 2.4G Wireless X System Flash Speedlite with FB 4*AA Rechargeable Batteries&Charger Compatible for Sony Digital DSLR Camera - F-TT600S-KIT-FB

• High-speed Sync: Can realize HSS when used with Godox Cell-II trigger or X1C/X1N TTL wireless trigger (Sold Separately), the max speed can up to 1/8000s (Depend on the cameras). It's particularly convenient when using the aperture to fill flash on portrait preferentially. Note: The TT600 can NOT realize HSS when used on camera hot shoe. Godox TT600S Speedlite can achieve 1/8000s high-speed sync functions when using in combination with high-speed triggersTransmitters e.g. Godox Cells II transceiver, X1T-Swireless flash Transmitter or Xpro-S wireless flash Transmitter etc. Note: High-speed sync triggering mode is not available when Godox TT600S Speedlite is mounted onto the camera. GN60 (m ISO 100, @105mm), Approx. 0.1-2.6s recycle time, 230 full power flashes (Using 2500mAh Ni-MH batteries), 22 steps of power output(1/1~1/128). Support M/Multi/S1/S2 modes, 20-200mm auto/manual zooming. With C.Fn custom function settings, focus assist lamp, buzz function, over-temperature protection, etc. FB-AA battery:Strong electricity, long-lasting cycle (safe, environmental protection, durable): FB four-slot standard charging set (FB12 four-slot standard charger and four AA2500mAh NiMH 5th battery)