The Godox Witstro AD400 Pro flash delivers up to 400 Ws of power and supports TTL, Manual, and Multi modes, as well as S1 and S2 optical slave modes. The 2.4 GHz X wireless system offers a range of up to 100 m and control across 5 groups and 32 channels, with 99 Wireless IDs. It is compatible with Canon, Nikon, Sony, Olympus, Panasonic, and Fujifilm TTL systems when used with the appropriate transmitter.

The removable 21.6 V / 2600 mAh lithium battery provides up to 380 full-power flashes, while the recycle time ranges from 0.01 to 0.9 s. The 30 W LED modeling lamp is adjustable from 1% to 100%. The Godox Mount accepts Godox accessories and, with the included adapter, Bowens accessories. The flash supports high-speed sync up to 1/8000 s, first- and second-curtain sync, FEC, FEB, and FEL. The LCD makes it easy to adjust settings, while the USB Type-C port allows firmware updates.

• Type: Studio flash
• Power: 400 Ws
• Guide number: 72 m at ISO 100 with reflector
• Power settings: 1/1 to 1/256, in 1/3-stop increments
• Recycle time: 0.01–0.9 s
• Flash duration: 1/220 to 1/12820 s
• High-speed sync: Up to 1/8000 s
• Flash modes: TTL, Manual, Multi, S1 and S2 optical slave modes
• Sync: First- and second-curtain
• Wireless frequency: 2.4 GHz
• Wireless range: Up to 100 m
• Wireless channels: 32
• Wireless groups: 5
• Wireless IDs: 99
• TTL compatibility: Canon, Nikon, Sony, Olympus, Panasonic, and Fujifilm via the appropriate transmitter
• Battery: Removable 21.6 V / 2600 mAh lithium battery
• Battery life: Up to 380 full-power flashes
• Modeling lamp: Built-in 30 W LED, adjustable from 1% to 100%
• Accessory mount: Godox Mount, with included Bowens adapter
• Connections: 3.5 mm sync socket and USB Type-C port
• Display: LCD
• Package contents: Flash, flash tube, WB400P battery, ADR10 reflector, CB11 carrying bag, C400P charger, and Bowens adapter