Description
| Specification | Details |
|---|---|
| Product | Westcott FJ400 II Touchscreen Strobe |
| Power | 400Ws |
| Power Range | 1.56–400Ws / 9 stops |
| Recycle Time | 0.01–0.9 sec |
| Flash Duration | Up to 1/24,000 sec |
| Color Temperature | 5500K ±150K |
| Modeling Light | 30W bi-color LED |
| Modeling Light Range | 2700–6500K |
| Flash Modes | Manual, TTL |
| HSS | Up to 1/8000 sec |
| Freeze Sync | Yes |
| Wireless Range | Up to 328 ft / 100m |
| Wireless | 2.4 GHz |
| Channels | 31 |
| Groups | 16 |
| Display | Full-color OLED touchscreen |
| Battery | FJ Pro AC/DC Li-ion |
| Battery Capacity | 74Wh / 2500mAh |
| Full-Power Flashes | 550+ |
| Battery Charge Time | Approx. 1.5 hours |
| Mount | 5/8″ receiver + 9mm umbrella receptacle |
| Modifier Capacity | Up to 20 lb / 9.1kg with Switch modifiers |
| Dimensions | 9.25 × 4.4 × 6.7 in |
| Strobe Weight | 5.3 lb / 2.4kg |
| Power | AC/DC |
| USB | USB-C for firmware updates |






