WIDE APPLICATION: USB mini light interface, LED color ambient light, suitable for cars, bedrooms, corridors as night lights, and home decoration. If you have any questions about the operation of the night light, please feel free to contact us. We will solve it for you as soon as possible. AUTOMATIC LIGHTING: Each USB light has a light sensor, so it only comes on when it is dark. When the sensor detects that the ambient light is bright enough that the light will turn off within 15 seconds. (Note: If the USB port is still powered when your car is turned off, you will need to unplug it and plug it in and it will still remember the previously set mode.). ADJUSTABLE BRIGHTNESS: When the night light is fixed to a certain color, long-press the button to change the brightness. You can adjust the color and brightness as needed. Add a variety of colors to your life. These lights consume only a small amount of power, about 0.145 watts at maximum brightness. SMART ATMOSPHERE LIGHT: Cycle through in solid color or pulsed mode to enhance the ambiance of the vehicle or home interior. They glow downward to illuminate your foot space area, so they won't blind you at night. Make your small space more cozy and beautiful. MULTIPLE SETTINGS: 8 Different color USB LED atmosphere lights(Red, Orange, Yellow, Green, Cyan, Blue, Purple, White). Click to set a different color, but please note: only after white click again, will 8 color cycles change; double click to switch between stable and flashing light mode.