Built-in Radio System: Integrated 2.4GHz X radio system allows wireless triggering up to 328'.Manual Power: Adjustable from 1/1 to 1/128 in 1/3 EV steps.High-Speed Sync: Supports HSS (up to 1/8000s) when paired with X-series or Cells II transmitters.Flash Head: Zooms from 24mm to 200mm and tilts/rotates (-7 to 90° vertically, 360° horizontally).Power Source: Operates on 4x AA batteries (not included), yielding a 0.1-2.6s recycle time.Compatibility: Features a standard hot shoe, making it compatible with most cameras (Canon, Nikon, Sony, Pentax,