USB-connected silver fluorescent lamp, approximately 37cm in a compact size. As you can see in the 6th image, the power button is worn, but it works without any problems. 10-step brightness adjustment possible◎! There are three colors: warm white, cool white, daylight, and a mix of those colors. (Please refer to images 2-4) - Type: Fluorescent lamp - Color: Silver - Power: USB connection - Length: Approximately 37cm Rated voltage: 5V/12V 5W-20W 50/60Hz Thank you for viewing.