This RGB Ring Light Kit from Neewer measures 18" and features a distinctive form factor. It has a variable color temperature from 3200 to 5600K to match other fixtures, ambient light conditions, or just for creative expression. It's also dimmable from 0 to 100%, and the RGB mode offers hue, saturation, and intensity control for access to literally millions of custom colors. Ideal for selfies, the ring light has a phone shutter remote, a central opening of 15", and a smartphone bracket so you can shoot through it for a smooth and near-shadowless effect that is flattering to your complexion. Featuring unique circular catchlights that are reflected in your subject's eyes, the RGB ring light can be used worldwide via its multi-voltage adapter. Included is a case for the light and a 4.9' stand that is especially handy for selfies.