FEATUREEasy to Use: Multiple functions with only one button. All functions are set by a small button, click, double click, long press ... and have a memory function, so you don't need to set it again the next time you use it.Soft Light - These USB ambient lights are perfect for use in your car. They glow downward to illuminate your foot space area, so they won't blind you at night. They also work with any active USB port.8 Colors: Red, Orange, Yellow, Green, Cyan, Blue, Purple, White. You can switch colors by a single click, and if you keep clicking again after white, it will be in automatic cycle color change.Package Include: The package comes with 4 USB ambient lights with light sensor and a button control, which can be turned off during the day and on in the dark.SERVICE: This is a very smart light with multiple setting functions. If you have any questions please be free to tell us, we will answer questions for you immediately. SPECIFICATIONVoltage: 5VSize: 0.98 x 0.62 x 0.3inColor: RGB (Red, Orange, Yellow, Green, Cyan, Blue, Purple, White)Occasions: Home decor, bedroom, car, etc.Package Include: 4 x LED Atmosphere Light