The linkstar slhk4-sb5050 daylight set contains two lamp holders each with a foldable softbox, two diffuse cloths, eight 28w energy saving spiral lamps each with a power comparability of 140w and two ls-803 light stands (2m). This set is ideal for product photography, portrait photography and videography and is suitable for both, beginner and experienced photographers and videographers. This set is easy to mount and allows you to create a soft and even light around a person or object. The softboxes are pre mounted, making the set easy to assemble. Linkstar daylight set slhk4-sb5050 optional possibilities optional spiral lamps can be purchased if you wish to have more light. The 28w bulbs can be replaced with 40w lamps (comparable to 200w per lamp), which increase the combined light output to 160w. *please note that all 4 lamps in the lamp holder are powered by one switch and therefore not powered individually. If you wish to minimize your light output, you can simply screw 1, 2 or 3 of the lamps loose.