Built-In 2.4 GHz Wireless X System
Compatible with Most TTL Systems
600Ws, 1/256 to 1/1 Power Output
Runs on Lithium Battery or AC Power
Up to 360 Full Power Flashes
Flash Duration: 1/220 to 1/10,100 Sec
1/8000 Sec High-Speed Sync
0.01-0.9 Sec Recycling Time
38W Modeling Lamp
Stable Colour Temperature Mode
Flash heads aka flash kits used for photography in studios and comes with batteries for outdoor shoots.
Comes with the wireless universal trigger so they all flash when you take a photo.
Has a pilot light to see the subject and adjust focus while house lights are off.