Bi-Color Light Panel Kit Portrait Video Studio Lighting Dimmer w/Mount 500 LED High Energy Efficiency, Long Lifespan, Low Carbon Dioxide Emission, the Best Powerful and Green Lighting Source Ever! It provides a wide spectrum, beautifully soft and even illumination. It is ideal for small and medium sized studio and indoor photography. This professional Bi-Color 500 LEDs Photograhy Lighting Panel ranges 3200-5500K with dimmer switch and carrying handle. The four reflective barn doors can maximize the light efficiency. Bi-Color Ultra Bright 500 LEDs 5500K Panel,Four built in barn doors maximize the light efficiency.2 dimmers adjust output 0% to 100% to control two?separate switching banks (cool daylight and warm light) Shock proof design,Rugged hard anodized aluminum housing,Comes with a lightstand mounting bracket,U-Shaped Handle for easy carrying.