The Sunpak 18 bi-color ring light contains everything you need for professional looking and sounding videos. The ring light also comes with mounts for smartphones or cameras. It also has a dimmer control to adjust the light from 100% down to 0%. The ring light kit includes an 18 inch bi-color ring light with 416 high powered LEDs for Daylight or Tungsten lighting. The ring light includes 3 flexible smartphone mounts, 1 standard smartphone mount, 1 ball head with 1/4"-20 screw mount, 1 ball head with cold shoe mount and a built-in 5V charging port to charge your compact USB devices.