The Godox V100 S and Godox V100 S U are designed for different regions to meet local standards. While the core performance and compatibility remain the same, minor variations exist to comply with specific regulations or shipping requirements. Please rest assured that both versions deliver the same outstanding functionality. Godox V100S U is tailored for the USA market, and the GODOX V100 S is the global version (Except the United States). When you receive the package, please read the instructions on the package carefully. If you have any question, We’re always happy to help | Application: As an upgraded version of GODOX V1 for Sony, The Godox V100 for Sony Round Head Flash is suitable for Sony Cameras, such as a77II, a99, a77, DSC-RX10, a6000, a7R, a6400, a7RII, a7RIII, a7M3, a9, a7RIV, a7R5, a7MIV, ZV-E10, a58, ILCE6000L, a7R3, a350 | 【100Ws, 70 Full-Power】 The Godox V100 for Sony sets a new benchmark for on-camera flashes by offering an unprecedented 100Ws power at its maximum output(M mode). With adjustable power steps from 1/1 to 1/256 or from 2.0 to 10. Thanks to its advanced cooling system, Godox V100 for Sony delivers 70 to 100 consecutive flashes at 100Ws without compromising performance. | 【Intuitive Touchscreen & Detachable Sub Flash】 Equipped with a 2.3" full-color, high-sensitivity touchscreen. It allows photographers to quickly adjust power levels, activates high-speed sync, switch between TTL/M modes, and pair devices with a single tap. Godox V100 for Sony continues the highly praised detachable sub flash (SU-1) design from the GODOX V1 Pro. | 【Built-in 2.4G Wireless & LED Modeling Lamp 】 With the built-in Godox 2.4G Wireless X System, Godox V100 for Sony functions as both a master and receiver unit. Its one-tap pairing capability seamlessly integrates with the X3 trigger or other Godox wireless flash units. A 2W LED modeling lamp with 10 adjustable levels provides flexible options for previewing light effects or serving as a fill light | 【Powerful Battery, Convenient Charging】 Powered by the same high-performance lithium battery as the V1Pro, Godox V100 for Sony ensures uninterrupted shooting. The Type-C charging port and compatibility with the VC26T Multi-Battery Charger make recharging quicka nd convenient.