Please refer to: http://dx.com/p/car-sound-control-sensor-music-rhythm-led-colorful-light-lamp-90-x-10cm-150878 - Model: D12080910X - Material: PVC - Powered by cigarette lighter adapter - Light color: Red Yellow Green Purple Blue - Sound / Music activated illumination equipped with sound sensor - Suitable for the installation of automobile rear windscreen lights accompanied by the rhythm of the music and beating - Packing list: - 1 x Electro-luminescent Sheet - 1 x DC 12V Cigarette lighter adapter (200cm-cable length) - 1 x Controller box (100cm-cable length)