Spectra HR LED Flat Brow MountDesigned to Mount on Any Flat Surface Perfect For Mounting on Roof of Cab System Features and Benefits UltraBright Illumination Light up the scene quickly upon arrival Very low profile Available for SPECTRA, EVOLUTION II and FOCUS The Spectra HR uses two unique groups of lenses. The upper group projects wide beams at different angles to cover the entire vertical face of the building. At the same time the lampheads lower group lights the ground area in