This is an Interfit Stellar Xtreme AC/DC Monolight Kit. It includes a 300 watt/second monolight, battery pack with charger and a light stand that rises to a maximum height of 8' (2.4 m).
The Stellar Xtreme has been built to full professional specifications for long life and reliable service. With an almost go anywhere battery pack you can now get that important shot in poor lighting conditions, in or outdoors. The "S" Type accessory fitting works with all Interfit accessories such as the Pro range of softboxes.