The AD400Pro Witstro is equipped with a high-speed sync mode that accommodates shutter speeds of up to 1 8000 second, providing flash durations ranging from 1 240 to 1 12,820 second. Additionally, it features a Stable Color Temperature Mode, which effectively regulates color, maintaining temperature variations within ±75K throughout the entire power spectrum. Remarkably, it achieves low recycling times of 0.01-0.9 seconds, enabling the capture of peak action and transient movements. Furthermore, a 30W LED modeling lamp is included to assist in previewing the light s effect on the subject.

• 2.4 GHz wireless system with a range of 328 (100m), featuring five controllable slave groups and 32 channels
• Removable handle and stand mount for space-saving packing
• Compatible with Nikon, Canon, Fujifilm, Sony, Olympus, and Panasonic TTL systems
• Guide number of 236 (72m) at ISO 100
• Can work as an optical slave with S1 and S2 modes
• Color temperature of 5600K (±200K)
• Proprietary front accessory mount
• 3.5mm sync cord slot for direct connection, wireless control port, and USB Type-C port for firmware upgrades
• First curtain and second curtain sync modes
• Dot-matrix LCD display for on-board control
• Includes Bowens-type mount adapter for use with compatible accessories