Features:Sound-activated colorful LED car music rhythm lamp. The colorful LED lights will flash as the music rhythm, give you a romantic and fashional ambience.Designed to decorate your car, bring you with cool and gorgeous lighting show. The sound sensitivity is adjustable by a knob as you need.Easy to use, just plug to 12V DC power and it will produce beautiful effect. It's a thin sheet with adhesive tape that can be stick on rear windshield or side window.Equipped with a car charger, very convenient to use.Specification: Material: PVC Connection cable: about 3m Car charger cable: 1.9m Voltage: 12V Sheet size: Approx. 90*25*0.05cm/35.4*9.84*0.02inPackage size: 33*11*8.5cm/13*4.33*3.35inPackage weight: 392g/13.84ozPackage includes: 1 * Car Music Rhythm Sticker 1 * Controller with ribbon cable 1 * Car Charger with cable