Model: SW-3079 - Color: Black - Material: ABS + electronic material - With 2 LED bars and a control box - Built-in 36 white light LED emitters each bar - Working voltage: DC 12V - With a music sensor control box controlled by sound strength - The dynamic light changes regularly accompany the jumping musical notes providing elegant romantic effect - Allows adjust the dim or bright level through the indicator - Easy installation - More energy-saving environmental protecting and longer service life - Car charging cable length: 182cm - Audio cable length: 185cm