Features: 1. adjustable brightness and scrolling: control the lighting within the range of 1%-100% brightness to obtain the ideal lighting, suitable for your settings. adjust from warm to cool to get the perfect skin tone and match your environment. 2. professional lighting: you can plug the light into the usb port of your laptop and run on an external power source indefinitely! 3. adjustable ball head: compatible with equipment. the 360° rotating ball head allows you to adjust the angle of the video light to provide proper position lighting. the video conference lighting kit can be used on a laptop/tablet computer. 4. It is widely applied to outdoor photo Long service life of more than 50000hrs, light, filling light indoors, portrait, fashion, wedding art, advertisement photography, shooting video, etc. specifications: name: video conference fill light color temperature:3000k-6000k ring light size:16cm/26cm clip accept width:2cm Outer Diameter: 20 cm Total Power: 10W.