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Westcott FJ400 Strobe 1-Light Backpack Kit with FJ-X3m Wireless Trigger for Sony Cameras

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  • 1 x FJ400 Strobe and Battery
  • 1 x Diffusion Dome
  • 1 x AC Power Adapter and Cord
  • 1 x Magnetic Reflector and Grid Set
  • 1 x FJ-X3m Wireless Flash Trigger
  • 1 x Rapid Box Octa-S and Insert
  • 2 x USB-C to USB-A Cables
  • Lite Traveler Backpack
  • Recycling: 0.5 to 0.9 sec, Supports HSS
  • Built-In Receiver

The Westcott FJ400 Strobe 1-Light Backpack Kit with FJ-X3m Wireless Trigger is a comprehensive set that comes with everything you need to maximize the use of the FJ400 Strobe. The Westcott FJ400 Strobe includes a battery, diffusion dome, AC adapter and cord, magnetic reflector, magnetic gel set, FJ-X3s flash trigger, two USB cables, and a Rapid Box Octa-S and insert. It also comes with a Lite Traveler Backpack to conveniently carry all the items. This kit is perfect for photographers who want a complete and portable solution for their Sony cameras.

The FJ400 Strobe has power, fast response, and the asset of a removable, rechargeable, lithium-ion battery that will give you 480 full-power flashes on a two-hour charge. The FJ400 has a nine-stop power range in 0.1 stop increments and recycles in a fast 0.5 to 0.9 seconds. It is backed by a 1/19,000 peak action-stopping flash duration in Freeze Mode, is capable of 20 fps, and supports High Speed Sync up to 1/8000 second as well as front and rear curtain sync.

One of the FJ400's exciting features is its TTL option. The flash has an integrated 2.4 GHz receiver that has 16 channels, and 32 groups that with an FJ-X3s trigger will accept TTL signals at a distances up to 985' from Canon, Nikon, Sony (with adapter), FUJIFILM, Panasonic Lumix, and Olympus cameras. The flash has a 5/8" receiver to mount on industry-standard light stands, as well as a USB-C port for Windows and Mac firmware updates.

In the Box
  • Westcott FJ400 Strobe 1-Light Backpack Kit with FJ-X3m Universal Wireless Trigger
  • FJ400 Lithium-Ion Battery
  • Diffusion Dome
  • FJ400 AC Power Adapter and Cord
  • FJ400 5.5" Magnetic Reflector
  • FJ400 Magnetic Gel Set
  • FJ-X3m Universal Trigger
  • FJ-X3 Li-Ion Battery
  • 2 x USB-C To USB-A Cables
  • Rapid Box Octa-S
  • Rapid Box Switch Insert (Bowens)
  • Lite Traveler Backpack
  • Limited 1-Year Manufacturer Warranty
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More Information
Product ConditonNew

Flash Head

Maximum Power 400 Ws
Power Control 9 Stops
Flash Duration t.1: 1/800 to 1/19,000 Sec
Recycle Time 0.5 to 0.9 Sec
Burst Rate 20 fps
Color Temperature 5600K +/- 200K
Flash Ready Indicator None
Reflector 5.5" / 139.7 mm 55° Changeable
Accessory Fitting Type Bowens S Type

Modeling Light

Type LED
Color Temperature 5600K


Sync Type Cable, Optical, Radio
Built-In Wireless Receiver Yes
Sync Speed 1/8000 Sec (High-Speed)
Wireless Channels / Groups 32 / 16
Wireless Range 985' / 300.2 m (Radio)
System Connection USB-C


Power Source AC Adapter, Integrated Battery
AC Input Power 100 to 240 VAC, 50 / 60 Hz
Current 1.6 A (Operating)


Battery Chemistry Lithium-Ion Polymer (LiPo)
Maximum Output Voltage 16.8 VDC
Battery Capacity 4400 mAh
Flashes Per Charge 480 Flashes (Full Power)
Recharge Time 2.5 Hours


Display LCD
Mount 5/8" / 16 mm Receptacle
Auto Dump Yes
Fan Cooled No
Operating Temperature 14 to 104°F / -10 to 40°C
Dimensions H: 4.3 x W: 4.8 x L: 11.5" / H: 109.2 x W: 121.9 x L: 292.1 mm
Weight 5.4 lb / 2.4 kg

Packaging Info

Package Weight 13.035 lb
Box Dimensions (LxWxH) 15.7 x 14.8 x 9.6"
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov
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