Get the hottest, hi-tech look with our white-face Dancing Flame Glo Gauge Faces. Built-in, automatic Voice/Music Sensor reacts to the beat of the music pumping through your vehicle’s audio system, sending the flames into a frantic, pulsing motion. Easily wires into your vehicle’s factory harness for fast, easy installation. Features also include constant on and dimmer switch via self-adhesive, mount-anywhere control pad.