Zhol Sound Active 7 Color Changing Fading Function LED Underbody Under Car Glow Flashing Light Kit with 4 Ways Wireless Remote Control + Control Module (2 X 48 The shell is made of PVC material, which can be bent freely and has the characteristic of high and low temperature resistance and waterproof function. With the wireless remote to control power switch (C button), color changing and flashing mode (B button), and to choose colorful gradient mode (D button), voice-activated mode (A button). Press A button once to enter voice-activated mode, then press the A button again to exit it. This kit has 3 main color (red, blue, green) LEDs and it can create 7 colors when they alternate. The LEDs are glued to the LED strips with strong adhesive, not easy to shed. 2 pieces 36" 54-LED and 48" 72-LED waterproof LED strips, bright and colorful. Under voice-activated mode, the color will change with the rhythm of the music, increasing your night driving pleasure. Easy to install and use, quite a good product to decorate you car!