Product Highlights Guide number 38 (m ISO 100) Flash duration of 1/300-1/20000s, delivering crisp, clear and vivid images 3 flash modes: M, S1 and S2 for improved versatility and usability 8 variable flash output from 1/128 to full, meeting your flashlight demand Multi auto self protection for power saving and against overheating Integrated reflection board, giving a highlighted point on the eyes Built-in wide-angle diffuser, creating soft, smooth and natural illumination Satisfy different photography environment.Godox shoe mount flash has a fast recycle time of approx 0.1-5 seconds.Thanks to its 1/300s~1/20000s flash duration, this shoe mount flash gives you ideal exposure.With Pc Sync socket, the speedlite and camera can trigger synchronously.Equipped with power-saving features and overheating protection function.Equipped with a pull out reflector / diffuser.With a soft box, and mini stand, convenient for your use.Suitable for all DSLR Camera with standard hot shoe,such as for Nikon, Canon, Pentax, Olympus, and so on.