Overview
High-performance 2-light flash kit with 400Ws strobes, AC/DC batteries, wireless trigger, reflectors, gel sets, softboxes, stands, and rolling hard case. Portable 400Ws strobes with removable AC/DC batteries provide 550+ full-power flashes per charge. Easily control FJ Wireless flashes with the FJ-X3 wireless trigger, available in multi-brand or Sony camera options. Unmatched 0.01 to 0.9 sec recycle times ensure you never miss a shot. Consistent 5500K (±150K) color temperature stability across a 9-stop energy range. Intuitive full-color OLED touchscreen with a built-in help guide for effortless control. HSS, TTL, Freeze Sync, Front Curtain Sync, and Rear Curtain Sync options for versatility.
Bundle and save with this powerful flash kit that brings studio lighting wherever you go. It includes two FJ400 II touchscreen strobes with FJ Pro AC/DC batteries, wireless trigger, softboxes, stands, accessories, and a rolling hard case. With quick recycle times, 550+ full-power flashes per charge, and unrivaled color temperature stability, this portable flash kit ensures you never miss a shot. A Perfect Blend of Power & Portability. Expanding on the legacy of our flagship FJ400 strobe, the FJ400 II offers 400Ws of flash power in a compact design, striking a perfect balance of power and portability to ensure you never miss a moment.
About the Westcott FJ400 II Strobe 2-Light Kit
Bundle and save with this powerful flash kit that brings studio lighting wherever you go. It includes two FJ400 II touchscreen strobes with FJ Pro AC/DC batteries, wireless trigger, softboxes, stands, accessories, and a rolling hard case. With quick recycle times, 550+ full-power flashes per charge, and unrivaled color temperature stability, this portable flash kit ensures you never miss a shot.
A Perfect Blend of Power & Portability
Expanding on the legacy of our flagship FJ400 strobe, the FJ400 II offers 400Ws of flash power in a compact design, striking a perfect balance of power and portability to ensure you never miss a moment.
Speed & Performance
The Fastest 400Ws AC/DC Strobe
With industry-leading 0.01 to 0.9-second recycle times, the FJ400 II ensures you’re never waiting on your light. Whether freezing action outdoors or capturing dynamic portraits in the studio, this strobe keeps up with your creativity.
Interchangeable Battery System
Flexible AC/DC Power
The FJ400 II features a flexible AC/DC battery system, providing 550+ full-power flashes per charge with the included FJ Pro Battery—or 1,000+ flashes with the optional FJ ProMax Battery. The batteries are also compatible with the FJ800 and offer AC trickle-charge, eliminating the need for multiple power solutions.
Professional Reliability
Consistent Colour Temperature
The FJ400 II maintains a colour temperature stability of 5500K (±150K) throughout its entire 9-stop output range, with flash increments of either 0.1 or 1.0 stops. It features a 30W bi-colour LED modeling light, adjustable from 2700K to 6500K, with auto-adjust and independent output control.
Fast & Easy Controls
Colour OLED Touchscreen
The full-colour OLED touchscreen interface is designed for simplicity and speed, with intuitive gestures like tap, swipe, and slide for quick adjustments. Built-in help guides provide on-screen support, saving time and keeping you focused on creating.
More Looks, Less Effort with Creative Mask
With Creative Mask, you can offer your clients more variety without adding time to your shoot. Use the touchscreen to choose when each strobe fires and how many frames to capture, creating up to 6 unique lighting combinations in seconds. Ideal for fast-paced environments like sports or volume photography, where variety and efficiency are key.
Optimized for Light Modifiers
The flash’s round head and extended flash tube deliver a wide, even light spread to fill modifiers beautifully. Its Bowens mount and Rapid Box Switch Insert ensure seamless compatibility with Westcott’s extensive line of portable light modifiers. The tilter bracket also has a 9mm mount for large umbrellas.
Complete Creative Control
This portable strobe also features:
Manual and TTL Flash Modes
High-Speed Sync (HSS) up to 1/8000s, Freeze Sync, and Front and Rear Curtain Sync
Flash durations to 1/24,000s for motion-freezing clarity
Continuous Capture up to 50 fps (camera and power dependent)
Delay Function and Group Exposure Compensation
IGBT+ technology for improved flash control, faster sync speeds, and enhanced compatibility with DSLR and mirrorless cameras
328’ wireless range with 16 groups and 31 channels
Firmware upgradeable via USB-C
MULTI-BRAND
Say Goodbye to Brand-Specific Triggers
The powerful FJ-X3 M Wireless Trigger is equipped with multi-brand technology that pairs with most camera brands to control FJ Wireless devices. This wireless remote offers revolutionary compatibility with many Canon, Nikon, Sony (in manual mode), Fuji, Panasonic Lumix, and Olympus cameras. See the compatibility chart for more details.
SONY
Dedicated Sony Camera Compatibility
When paired with an FJ-X3 S Wireless Trigger, the strobe provides features including High-Speed Sync, TTL, and more. The wireless trigger is designed with a proprietary Sony hot shoe mount for Sony cameras. See the compatibility chart for more details.
Seamless Integration with the FJ Wireless System
The FJ400 II pairs seamlessly with all flashes and triggers in Westcott’s 2.4 GHz FJ Wireless System. Control your setup with an FJ-X Trigger or FJ80 Speedlight, both compatible with major camera brands. The free Westcott StudioLink app lets you adjust settings and unlock advanced functionality directly from your mobile device.
Flash Head
Maximum Power 400Ws
Energy Range 9 F-Stop (1.56 – 400 Ws)
Flash Duration (t0.1) Normal: 1/200 –
1/6540s
Freeze: 1/220 – 1/10800s
Flash Duration (t0.5) Normal: 1/600 –
1/16500s
Freeze: 1/500 – 1/24000s
Recycle Time 0.01s – 0.9s
Continuous Capture 50 FPS (Camera &
Power Dependent)
Colour Temperature Stability Normal/TTL:
5500K ±150K
HSS: 5500K ±300K
Freeze: 5500K ±500K (E.R. 3-9)
Mounting System Bowens S-Type
Max Modifier Load 20.0 lbs. / 9.1 kg (using
Switch modifiers)
Flash Increments 0.1-Stop and 1-Stop
Flash Modes Manual, TTL
Mask Function Yes (Manual Mode)
IGBT+ Yes
Exposure Compensation ±3
Modeling Lamp LED 30W Bi-colour (2700-
6500K)
Sync Functions HSS, Front Curtain, Rear
Curtain, Freeze
Sync Speed 1/8000s (High-Speed)
Wireless Frequency 2.4 GHz
Wireless Channels 31 (01-31)
Wireless Groups 16
Wireless Range 328′ (100m)
Optical Sensor Yes
Light Mount Type 5/8” Receiver, 9mm
Round Umbrella Receptacle
Auto-Dump Yes
Audible Beep Yes
Delay Function Yes (Manual)
Auto. Memory Recall Yes
Heat Protection Yes
Battery
Flashes per Charge FJ Pro Battery: 550+
Optional FJ ProMax Battery: 1000+
Battery Type FJ Pro AC/DC Li-ion Battery
Battery Capacity 74Wh, 2500mAh
Battery Voltage 29.6V
Battery Removable Yes
Charge Time ~1.5 Hours
Charge Cycles 300+ (@80% after 300
cycles)
AC Power Requirement Battery Level ≥25%
Electrical
Input Power 100-240 VAC, 50/60 Hz, 1.6A
Output Power DC 33.6V, 2A
Battery Type FJ Pro or optional FJ ProMax
AC/DC Li-ion Battery
Cable Port USB-C (Firmware)
Cooling Self-monitoring Multi-stage Cooling
System
Firmware Upgradable Yes
Control Display Colour OLED Touchscreen
Operating Temp. 32° to 113° (0° to 45°C)
Power Cord 9.5′ (2.9m)
Power Region Type G (UK)
Power Supply 100-240 VAC, 50/60 Hz 1.5A
Max
Auto. Power Off Yes
Power Type AC/DC
Certifications FJ400 II: CE, ROHS, FCC
FJPro Battery: CE, ROHS
AC Adapter: CE, cETLus, RoHs
USB Capability USB-C (Firmware Updates)
Mounting
Max. Load Weight 20 lbs. (9.1 kg)
General
Product UPC 810164331427
Package Qty. 1
Product Dimensions 9.3 × 4.4 × 6.7 in.
(23.5 × 11.2 × 17.0 cm)
Packed/Folded Size 13.0 × 11.4 × 7.5 in.
(33.0 × 29.0 × 19.1 cm)
Item Weight 5.3 lbs. (2.4 kg)
Materials Nylon, Plastic, Aluminium, Rubber,
Electrical Components
Use & Care Instructions Wipe with a dry
cloth as needed.
Keep away from fire, water, and moisture.
Do not submerge.
Avoid drastic temperature changes before,
during, and/or after use.
Ensure the FJ Strobe is securely mounted
before use.
Surrounding RF interference may affect
communication performance.
Do not modify Westcott products. Contact
High-performance 2-light flash kit with 400Ws strobes, AC/DC batteries, wireless trigger, reflectors, gel sets, softboxes, stands, and rolling hard case
Portable 400Ws strobes with removable AC/DC batteries provide 550+ full-power flashes per charge
Easily control FJ Wireless flashes with the FJ-X3 wireless trigger, available in multi-brand or Sony camera options
Unmatched 0.01 to 0.9 sec recycle times ensure you never miss a shot
Consistent 5500K (±150K) color temperature stability across a 9-stop energy range
Intuitive full-color OLED touchscreen with a built-in help guide for effortless control
HSS, TTL, Freeze Sync, Front Curtain Sync, and Rear Curtain Sync options for versatility
Short flash duration down to 1/24,000 sec freezes motion with incredible precision
Creative Mask enables up to 6 unique lighting combinations without adjusting your setup
Integrated IGBT+ technology for expanded camera compatibility and enhanced flash performance
Rapid Box Switch softboxes provide soft, flattering light with the fastest setup time
Crushproof and watertight rolling hard case with custom foam interior for safe and organized transport
Backed by Westcott’s 1-year pledge, with lifetime support and US-based customer service












