This is a Westcott Strobelite PLUS Two Monolight Kit. The Strobelite PLUS is a 200 watt/second monolight. It is lightweight, inexpensive, and includes a modeling light for ease of composition.
This special promotional 600 total watt/second kit is supplied with 3 flash heads, two 24 x 32" softboxes with adapter rings, 8.5' light stands, a backlight stand, barndoors, a grid, colored gels, a wheeled kit case and a mini to PC sync cord.
Built-in optical slave "sees" the light fired from other strobes and fires the unit instantly.
This feature may be switched off.
Saves you from firing the strobe to discharge energy when switching to a lower power setting
Polycarbonate housing -- each monolight weighs less than 3.5 lbs (1.6kg).
Two 24 x 32" (61 x 81cm) silver-interior softboxes with adapter rings make the most efficient use of the light emitted from each monolight, providing soft, intense, yet even light.
Support the monolights to a maximum height of 8.5' (2.5 m)