Godox Quicker 400IIM Studio Flash Light 400Ws Bowens Mount Strobe Flash 1. Model: Quicker400IIM 400W (manual version) 2. Power: 400Ws 3. Index: GN 65 4. Recycling time: 0.05 - 0.7s 5. Flash mode: M Multi Hss 6. Stroboscopic flash: Up to 99 times, frequency up to 30 7. Delay triggering: 0.01 - 30 seconds 8. Display: LED digital display 9. Modeling light power: 150W 10. Cooling fan: Yes 11. Dimensions: 41L x 14W x 23 H (cm) 12. Weight: About 3KG 13. Overheat protection: Yes 14. Gear adjustment: M (1128 - 11), Hss (116 - 11), Multi (1128 - 11) 15. Trigger controller: Built-in 2.4G wireless receiver, sync line jack, photosensor, test flash button, wireless control socket 16. Flash duration: High-speed flash mode (1416 - 35086 seconds); constant color temperature mode (1416 - 4983 seconds) 17. Color temperature mode: Constant color temperature: 5600 +- 200K, high-speed flash: 5400 - 9000K, high-speed sync: 4600 - 5000K 18. Call back reminder: Buzzer reminder modeling light synchronization mode 19. New functions: Delayed flash, mask function, S1S2 light control flash, frontrear curtain synchronization, strobe, slave unit 20. Power supply: AC 100~120V 60Hz or AC 200~240V 50Hz