6-inch ring LED light with USB connection. Features 10-step dimming. Includes instruction manual. - Brand: GREEN HOUSE - Model Name: Ring LED Light 6 inch - Power Source: USB connection - Size: Diameter 16cm, Height 27.8cm - Included Accessories: Instruction manual - Dimming Function: 10-step dimming (warm, white, mixed) Used twice and stored at home. A security sticker is affixed to the package as it was purchased from a store. Operation confirmed. Please understand that this is a used item before purchasing. Please refrain from purchasing if you are sensitive to the condition of the item.