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The FJ400 II 400Ws Touchscreen Strobe is a high-performance, portable lighting solution designed for professional photographers and content creators. Combining ultra-fast recycle times, powerful 400Ws output, AC/DC battery flexibility, and an intuitive colour OLED touchscreen, it delivers exceptional speed, reliability, and creative control for both studio and on-location shoots.
Delivers a wide power range for everything from subtle fill light to full-power illumination in demanding shooting conditions.
Industry-leading speed ensures you never miss a moment, ideal for action, sports, and fast-paced shooting environments.
Provides 550+ full-power flashes per charge with the included battery, with optional higher-capacity upgrades available.
Maintains accurate colour across the entire output range for professional, repeatable results.
Intuitive interface with tap, swipe, and slide controls for fast, effortless adjustments on set.
Freezes motion with precision, perfect for capturing sharp action shots.
Weighs just 5.3 lbs, making it easy to transport and ideal for location work.
Adjustable from 2700K to 6500K for previewing lighting and adding continuous light when needed.
(Optional accessories and additional batteries sold separately)
This strobe is designed to give photographers full creative control, allowing you to:
Minimal downtime thanks to rapid recycling
Reliable battery performance for location shoots
Compatible with a wide wireless ecosystem
Touchscreen interface reduces setup time
Advanced modes and lighting effects built in
The FJ400 II is a powerful, portable 400Ws strobe with ultra-fast performance, reliable colour, and intuitive touchscreen control—making it an essential tool for photographers who need speed, flexibility, and professional results anywhere.
| Maximum Power | 400Ws |
| Energy Range | 9 F-Stop (1.56 - 400Ws) |
| Energy Range | 9 F-Stop (1.56 - 400Ws) |
| Flash Duration | Up to 1/24000s |
| 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) |
| Color Temperature Stability |
Normal/TTL: 5500K ±150K HSS: 5500K ±300K Freeze: 5500K ±500K (E.R. 3-9) |
| Mounting System | Bowens S-Type |
| Max Modifier Load | 9.1 kg (using Switch modifiers) |
| Flash Increments | 0.1-Stop and 1-Stop |
| Flash Modes | Manual, TTL |
| Delay Function | Yes (Manual) |
| Delay Function | Yes (Manual) |
| Mask Function | Yes (Manual Mode) |
| IGBT | ±3 |
| Modeling Lamp | LED 30W Bi-color (2700-6500K) |
| Modeling Lamp | LED 30W Bi-color (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 Channels | 31 (01-31) |
| Wireless Groups | 16 |
| Wireless Range | 328' (100m) |
| Optical Sensor | Yes |
| Auto-Dump | Yes |
| Audible Beep | Yes |
| Auto. Memory Recall | Yes |
| Auto. Power Off | Yes |
| Flashes per Charge |
FJ Pro Battery: 550+ at Full Power 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 |
| Equipment Power | LED Display |
| Charge Time | ~1.5 Hours |
| Charge Cycles | 300+ (@80% after 300 cycles) |
| AC Power Requirement | Battery Level ≥25% |
| Power Type | AC/DC |
| Certifications |
FJ400 II: CE, ROHS, FCC FJPro Battery: CE, ROHS AC Adapter: CE, cETLus, RoHs |
| Input Power | 100-240 VAC, 50/60 Hz, 1.6A |
| Output Power | DC 33.6V, 2A |
| Power Cord | 2.9m |
| Plug type | Type G (UK) |
| Power Supply | 100-240 VAC, 50/60 Hz 1.5A Max |
| Battery Type | FJ Pro or optional FJ ProMax AC/DC Li-ion Battery |
| Control Display | Color OLED Touchscreen |
| Cable Port | USB-C (Firmware) |
| USB Capability | USB-C (Firmware Updates) |
| Firmware Upgradable | Yes |
| Cooling | Self-monitoring Multi-stage Cooling System |
| Operating Temp | 32° to 113° (0° to 45°C) |
| Auto. Power Off | Yes |
| Product Dimensions | 23.5 × 11.2 × 17.0 cm |
| Item Weight | 2.4 kg |
| Materials | Nylon, Plastic, Aluminium, Rubber, Electrical Components |
| Use & Care Instructions |
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Free UK Standard delivery on orders over £150.00*
| Order Date (if received before 3pm) | Cost | Latest Expected Delivery Date |
|---|---|---|
|
UK Standard (Free for orders over £150.00 offer excludes Northern Ireland & Additional Shipping Fees) |
Spend under £9.99 - £5.99 Spend under £149.99 - £3.99 Spend £150+ - Free |
2-4 Working Days |
| UK Express Delivery | £5.99 | 1-3 Working Days |
| UK Next Working Day | £8.00 | Next Working Day |
| UK Next Working Day (Guaranteed) | £15 | Next Working Day |
| UK Before 2pm Next Working Day | £18.00 | Before 2pm Next Working Day |
| UK Saturday Delivery | £30.00 | The Next Saturday |
| UK Sunday Delivery | £30.00 | The Next Sunday |
EssentialPhoto & Video is committed to the provision of quality and reliable products and outstanding customer service. Buyers are entitled to request cancellation of an order within 14 days of receipt of the goods, and are granted a further 14 days to return the item to us for a full refund.
Please be aware: Products may vary slightly from batch to batch. Images provided online are as accurate a representation as possible, however please note that the colour and design of products may vary slightly, but that this does not affect functionality.
We are able to ship from our UK based warehouses to many countries around the world. Click below to check shipping rates to your country.
Additional Shipping Fees
Please Note, a number of our products fall into 'Large', 'Extra Large', 'Oversized' or 'Pallet' products, and would require an additional shipping fee applied automatically to the order. All of these products will display this on their dedicated listings, and further information regarding these fees can be found below.
We are able to ship from our UK based warehouses to many countries around the world. Click below to check shipping rates to your country...
Our new price match policy guarantees you the same price as other retailers so you’re alway getting the best deal possible...
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