This Neewer BH20B Upgraded LED Video Light Stick Kit 2-pack contains two 23.6' Light Sticks, each with a 79' stand. Each light also has a red, yellow, blue, and diffusion filter and a power adapter, and it all fits in the included case. The Light Stick has a variable color temperature of 3200 to 5600K with an accurate CRI rating of 97+. It dims from 0 to 100%, and while you can make adjustments to color and brightness on the fixtures, you can also make them with the included 2.4 GHz remote control at distances up to 66'. The light runs on AC power, but it can also be powered by optional F550, F750, and F970 batteries.