Upgraded LED modelling lamp：Upgraded version from the SK400II, SK400II-V with a LED Modeling Lamp that Adjusts from 5% to 100% Power Level, Which is more Durable and Longer Service. Outstanding power output stability：No More than 2% Shifts When Under the Same Output. Godox SK400IIV Studio Strobe Suitable for E-Commerce Product Shooting, Portrait, and Lifestyle Photography. Anti-preflash Function：The anti-preflash function guarantees the synchronisation of cameras that can trigger a preflash. Wireless remote control：Built-in Godox 2.4G Wireless X System, Use Godox X-Pro, X1, XT32, XT16, or FT-16 kit to Control the Flash Power Ratio, Modeling Lamp, and Buzzer, as well as Flash Triggering(All Sold Separately) Lightweight and Compact：weighs only 2KG with compatible Bowens mount. Easy operation and great compatibility. [Noted]: The SK400II-V does not have HSS function and please take off the Lamp Cover before using. Godox SK400II-V with Standard Reflector