UGE 90x10cm Car Stickers Equalizer Auto Music Beat Rhythm Activated LED Glow Lights Lamp Sound Sensitive Sensor Sticker Colorful LED Flash Light with Car Cigarette Charger Universal Decoration This product is furnished with double faced adhesive tape and it is covered with a protective membrane, you can remove membrane and stick to back windshield. We packed a cigarette lighter the lighter can be directly inserted into car to make lamp lightening. It's a thin sheet with adhesive tape that can be stick on rear windshield or side window Start the music, it is cool especially at night When the music beats, the equalizer moves to the beat of music Different music frequency will activate a different equalizer bar