USB-connected dimmable ring light, easy to use with an in-line controller for adjustments. Can be hung on a computer display or placed on a stand for illumination. Continuous lighting, 10-step dimming function, 3-color temperature adjustment function. Hardware interface is USB. No self-timer. - Type: Ring light - Power Source: USB connection - Dimming Function: Brightness adjustable - Control: With remote control - Stand: Adjustable stand Thank you for viewing. Purchased last year and used for six months. There are no noticeable scratches, but please understand that this is a used item.