1) Active sound effects: The LED under the car's brightness system is equipped with sound sensors that allow the LED lights synchronized with musical rhythm. The LED light music strip follows the rhythm and adjusts the flicker to adapt to the strength of the sound. 2) musical decoration. The Kit designed to be simple, however, also provides inside the car when driving at night or enjoying music. And because it has sound sensor, the car low brightness system is synchronized with the rhythm of the music. 3) Sleep mode - Led light will have sleep mode. This mode can automatically change the dark brightness to provide a good atmosphere of sleep. 4) Brightness Color temperature adjustment: The LED is equipped with the brightness color temperature adjustment mode. When you feel that the light is dark, you can use this mode to change the brightness. Model Type: (Monochrome Mode/ Breathe Mode/ / Cycle Mode/ Strobe Mode/ Music rhythm Mode/ Flow Mode/ Running water Mode/ switch Control/ Mobile phone app control) Note: Due to different production batches, there may be slight differences in products. Note: Batteries are dangerous goods and cannot be shipped to you by express. Please purchase locally. Thanks. Colour:Photo Color Material:Plastic Package Contents: 1 x 18 IN 1 Car Ambient Lights Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.