The Godox AD400Pro is a 400WS wireless strobe with a maximum high speed sync speed of 1/8000th of a second. It uses Godox's 2.4GHz Wireless X System that's compatible with Canon E-TTL II, Nikon i-TTL autoflash, Sony, Fujifilm, Olympus, and Panasonic TTL systems. AD400 strobes fill the gap between the current AD200 and AD600Pro strobes, in terms of both size and power.

Features:

• 2.4 GHz wireless system with a range of 328' (100m)
• Supports Nikon, Canon, Fujifilm, Sony, Olympus, and Panasonic TTL systems
• 400Ws, 1/256 to 1/1 Power Output
• Guide number of 236' (72m) at ISO 100
• Up to 390 Full-Power Flashes, 1/8000 Sec High-Speed Sync
• 0.01-0.9 Sec Recycling Time, Flash Duration: 1/240 to 1/12,820 Sec
• First curtain and second curtain sync modes
• 5 controllable slave groups and 32 channels
• Can work as an optical slave with S1 and S2 modes
• 30W LED Modeling Lamp, 4800K, TLCI: 93
• Stable Color Temperature Mode, Color temperature of 5600K (±200K)
• Dot-matrix LCD display for on-board control
• Removable handle and stand mount for space-saving packing
• Bowens-type mount for use with compatible accessories
• 3.5mm sync cord slot for direct connection, wireless control port, and USB Type-C port for firmware upgrades