FEATURES:

• As its name suggests, the 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. A single AD400Pro weighs just 2.1kg/4.63lbs and measures in at 220x102x128mm/8.66x4.02x5.04in.
• Two Power Supply Methods: It can be powered by an AC power source or an included 21.6 volt, 2600mAh battery capable of firing off 390 full-power flashes before needing a charge. You can also power the flash using an external power source.
• Wide Mount Compability: The AD400Pro comes with the new Godox adapter ring for mounting its lineup of accessories, as well as a Bowens adapter to install Bowens lighting accessories. Godox says other, third-party adapters will let you mount accessories from companies such as Broncolor, Prophoto, Elinchrom and others.
• The AD400Pro can be updated with new firmware via the onboard USB Type-C port. It also features an onboard 3.5mm sync port for alternative triggering methods.
• Great TTL Auto Flash Compatibility: Godox AD400Pro is Compatible with Canon E-TTL II, Nikon i-TTL Autoflash, Sony, FUJIFILM, Olympus and Panasonic TTL Autoflash System. With Master＆Slave Function, AD400Pro Can be Used in Combination with Godox TTL Camera Flashes, TTL Outdoor Flashes, etc.
• Small, Light Weight and Portable: Godox AD400Pro weights 2.1Kg with the small size of 220*102*128 mm(without the flash tube and reflector). With Type-C USB port to achieve firmware upgrade. With 3.5 mm sync cord jack to achieve multiple sync triggering methods.

SPECIFICATIONS:

• Wireless Slave Unit Mode: Radio transmission mode (compatible with Canon E-TTL II, Nikon i-TTL, Sony, Olympus. Panasonic and FUJIFILM)
• Flash Mode: Wireless off - M/Multi, Slave unit of radio transmission - TTL/M/Multi       
• Guide No. (m IS0 100): 72 (m ISO 100. with high-efficiency standard reflector)
• Flash Duration: 1/240 to 1/12820 seconds
• POWER: 400WS
• Power Output: 9 steps: 1/256~1/1
• Stroboscopic Flash: Provided (up to 100 times, 100Hz)
• Flash Exposure Compensation (FEC): Manual. Feb: +/- 3 stops in 1/3 stop increments
• Sync Mode: High-speed sync (up to 1 /8000 seconds), first-curtain sync, and second-curtain sync
• Delay Flash: 0.01 ~30 Seconds
• Mask: Yes
• Fan: Yes
• Beeper: Yes
• Modeling Lamp (LED): 30W/4800K/TLIC: 93
• Optical Slave Flash: S1/S2
• Flash Duration Indication: Yes
• Display: Dot-matrix panel
• Wireless Flash Function: Slave. Off
• Controllable Slave Groups: 5 (A. B.C.D.E)
• Transmission Range (approx.): 100m
• Channels: 32 (1~32)
• Wireless ID: To avoid signal interference effectively, triggering can only be achieved when the channels and wireless IDs of the master and slave unit are set to the same.
• Power Supply: Lithium battery pack (21.6V/2600mAh)
• Full Power Flashes: 390
• Recycle Time: Approx. 0.01-0.9s
• Battery Indicator: Yes
• Power Indication: Power off automatically after approx. 30~120 minutes of idle operation
• Sync Triggering Mode: 3.5mm sync line
• Color Temperature: 5600±200K
• Stable Color Temperature Mode: Changes within ±75K in entire power range
• Dimension (with battery): 220x102x128 mm (flash tube & reflector not included)
• Net Weight (with battery): 2.1 Kg (flash tube & reflector not included)