Godox WITSTRO AD600BM Bowens Mount 600Ws GN87 High Speed Mount Studio Speedlight (Black) 1. Name: Bowens High-Speed Manual Flash (Bowens Bayonet) 2. Wireless slave unit mode: radio mode (compatible with NIKON and Canon), optical wireless (compatible with NIKON and Canon) 3. Flash mode: MMulti 4. The radio slave unit is compatible with the camera: Suitable for Nikon camera MRPT flash (master control unit X1N, etc.), suitable for Canon camera MMulti flash (master control unit X1C, etc.) 5. Guide Number (11 position): 87 (m ISO 100, using standard reflector) 6. Flash duration: 1220s-110000s 7. Power: 600W 8. Gear: 9:1256~11 9. Strobe flash: with (100 times; frequency: 100) 10. Flash Exposure Compensation (FEC): Manual, flash exposure bracketing; +-3 13 stop increments between file adjusters 11. Synchronization method: high-speed synchronization (up to 18000s) 12. Delayed flash: 0.01~30s 13. Model modeling light (LED): 10W 14. Lighting control wire flashes: S1S2 15. Display flash duration: Yes 16. Display: Dot matrix screen 17. Wireless flash (2.4G optical transmission and radio transmission) 18. Channel: Optical fiber: 4 groups 1234; 2.4G: 32 groups: 1-32 19. Power supply: Lithium battery (11.1V8700mAh) 20. Synchronous triggering method: 3.5mm synchronization cable, wireless control socket 21. Color temperature: 5600+-200K