About this item Package includes: Several USB atmosphere lights with photosensitive sensor and button control that automatically turn on/off based on the surrounding light conditions. 8 Colors to choose from: 8 different colors of USB LED atmosphere lights (red, orange, yellow, green, cyan, blue, purple, white). Switch colors with a single click, and continue clicking for an automatic cycle of color changes after white. Thoughtful breathing mode: A double-click of the button changes the USB light from fixed color mode to dynamic lighting mode. Nice brightness setting: Long press the button for 2 seconds to adjust the brightness to your preference, making it dimmer or brighter. Practical to use: Connect the LED lights to a car USB port or DC5V adapter (type A USB) in dark environments. Ideal for decorating your car, game room, or computer, or for use as a night light. Power bank use is not suggested. Dimensions: 5.91 x 4.33 x 0.63 inches.