LQZ&reg; DC 12V Blue 2 Pcs 15 LED Car Sound Effect Control Sound Activated Music Light An Audio Volume Indicator Set in the Plug,Simple Design Provides Elegant Mood inside the Car when Driving at Night or Appreciating Music. Light Color: Show Blue Light; Made of Brightness LED,Brighter than Neon Light,Energy Conservation and Environmental Protection. 3 Oprating States: ON-Beat-OFF.As to User's Tastes,the Luminosity Could Adjust with the Audio Volume Indicator.It Can Use for Floodlight. Comes with Double-sided Adhesive Tape for Easy installation. Size: 20cm x 1.5cm (8.2" x 0.6");Suitable for Vehicle with DC12V Power Supply Only