Abrams Slick Top Interior Visor Emergency Vehicle LED Lightbar TIR Optics&nbsp;- Red/Blue 3 TIR LEDs in every module. (30 LEDs total). - Generation III TIR LED technology Self contained internal flasher - Traffic adviser Patterns on separate switch Sleek design with clear lens for stealth look - 15 Selectable flash patterns Voltage: 12VDC & can be hardwired to any switch box. 5 Year Hassle-Free Warranty - Lifetime Customer Support!