1. Model: AD400 Pro
2. Wireless Slave Unit Mode: Radio Transmission Mode (for Canon E-TTL II, Nikon i-TTL, Sony, Olympus, Panasonic and FUJIFILM)
3. Flash Mode: Wireless Off - M/Multi, Slave Unit for Radio Transmission - TTL/M/Multi
4. Guide No. (m ISO 100): 72 (m ISO 100. With high efficiency standard reflector)
5. Flash duration: 1/240 to 1/12820 sec
6. Power: 400WS
7. Power output: 9 gears: 1/256~1/1
8. Strobe: Provided (up to 100 times, 100Hz)
9. Flash Exposure Compensation (FEC): Manual. February: +/- 3 stops in 1/3 stop increments
10. Synchronization method: high-speed synchronization (up to 1/8000 second), front-curtain synchronization, rear-curtain synchronization
11. Delayed flash: 0.01 ~30 seconds
12. Modeling light (LED): 30W/4800K/TLIC: 93
13. Optical Slave Flash: S1/S2
14. Display: dot matrix panel
15. Controllable slave groups: 5 (A.B.C.D.E)
16. Transmission range (approximately): 100m
17. Channel: 32 (1~32)
18. Wireless ID: In order to effectively avoid signal interference, it can only be triggered when the channel and wireless ID settings of the master and slave are the same.
19. Power supply: Lithium battery pack (21.6V/2600mAh)
20. Full power flash: 390
21. Recovery time: about 0.01-0.9s
22. Power indication: Automatically shut down after about 10 minutes. 30~120 minutes idle operation
23. Synchronization trigger mode: 3.5mm synchronization line
24. Color temperature: 5600+/-200K
25. Stable color temperature mode: full power range +/-75K variation
