Features: Small size,easy to carry and store. USB interface, It is suitable for vehicle models or adapters with DC5V USB interface, you can install it anywhere you want to create a romantic lighting effect. In the dark environment and with the power on, plug the product into the USB port, the USB LED light has a light sensor on top so they turn on when it is dark. Red, Orange, Yellow, Green, Cyan, Blue, Purple, White 8 color Light up automatically in the night with weak light and turn off automatically with bright light. Double tap to change the light mode between solid and breath. In color changing situation, one tap will change the light into single color and another tap will change the color. Specifications: Lamp beads/brand: 3528 RGB lamp beads Lamp plug model: Universal USB connector Shade type: PC Working current: 0.2A Working voltage: for DC 5V Light source power: 0.1W Size: 27.5x15.7x7.6mm/1.08x0.62x0.30in Package Includes: 1PC x USB LED RGB Ambient Light note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!