Strobe mini light bars, LED strobe light. Used for police car, cop car, fire fighting, ambulance EMS, wrecker, project car, sprinkler, patrol car, emergency vehicle. Features: Low profile aluminum extrasion structure Newest optical design Black or silver housing Lens: TIR Magnetic mounting Adopting international standard cigarette plug Fully weather-, shock-resistant Technical Specifications: Voltage: 12 VDC or 24VDC High power 56PCS 1W LED, 14PCS modules LED color available: Amber, blue, red, white, green Dimensions: 29" X 11.8" X 5.1"