
Before using this productPlease read this user manual carefully in order to ensure your safety and the proper operation of this product. Keep for future reference.Thank you for purchasing a GODOX product.WITSTRO All-in-One Outdoor Flash AD400Pro has strong power, all-in-one lithium battery pack and great portability. When using Godox 2.4G wireless X system off camera, AD400Pro can be triggered by XPro and X1 series flash trigger in TTL/M/Multi mode, etc. With master & slave functions, AD400Pro can also use in combination with Godox TTL camera flashes, TTL outdoor flashes, TTL studio flashes, etc. With this AD400Pro flash, your shooting will become simpler. You can easily achieve a correct flash exposure even in complex light-changing environments. • LED modeling lamp: 30W LED modeling lamp whose light brightness can be freely adjusted.WITSTRO AD400Pro offers studio quality light for outdoor and live shooting with strong power and large capacity lithium battery pack. The powerful and portable AD400Pro meets the demands of freelance commercial photographers, photojournalists, wedding and beach portraiture shooters, event and backpack photographers, photograph enthusiasts, etc. The AD400Pro offers: • Quick recycle time: 0.01-1s. • Stable color temperature mode: color temperature changes within ±75K over the entire power range. • With New Godox-mount and the included Bowens-mount adapter ring, AD400Pro can install different accessories by replacing its adapter ring(separately sold), such as accessories of Broncolor, Prophoto, Elinchrom, etc. • Precise power output: power adjusts from full power 1/256 to 1/1 in 25 steps. • Advanced functions: 1/8000s high-speed sync flash, multi flash, high-speed sync triggering, etc. • Compatible wireless TTL system: with built-in Godox 2.4G wireless X system, AD400Pro is compatible with Canon, Nikon, Sony, FUJIFILM, Olympus and Panasonic TTL autoflash system. • Wireless control: with built-in Godox 2.4G wireless X system to achieve TTL control. It can also be used to wirelessly adjust flash power level and trigger the flash through the wireless control port. AD400Pro has 3.5mm sync cord jack to achieve various sync triggering mode. • Dot-matrix LCD panel: with clear and convenient operation. • Studio quality light: up to 400Ws, GN 72 (m ISO 100, with high-efficiency standard reflector). Foreword- 23 -- 24 -Do not disassemble. Should repairs become necessary, this product must be sent to an authorized maintenance center.Always keep this product dry. Do not use in rain or in damp conditions.Stop using this product if it breaks open due to extrusion, falling or strong hit. Otherwise, electric shock may occur if you touch the electronic parts inside it.Keep out of reach of children.Turn off the flash unit immediately in the event of malfunction.Do not fire the flash directly into the eyes (especially those of babies) within short distances. Otherwise visual impairment may occur.Do not use the flash unit in the presence of flammable gases, chemicals and other similar materials. In certain circumstance, these materials may be sensitive to the strong light emitting from this flash unit and fire or electromagnetic interference may result.Do not leave or store the flash unit if the ambient temperature reads over 50°C.Otherwise the electronic parts may be damaged.Warning