Unboxing and Overview of the Godox QS400II Studio Flash Monoblock Strobe - YouTube
Godox QSII Series QS400II 400Ws Strobe Flash Modeling Light QS400II
Godox QS400II
Amazon.com : Godox QS400II Studio Strobe Flash Light, 400Ws Professional Studio Light Monolight, Built-in 2.4G Wireless X System, Modeling Lamp for Indoor Portrait Studio Photography (QS400 II) : Electronics