Wolo (7005-B) Infinity 1 Halogen Emergency Warning Light Bar - Blue Lens, Roof Mount Blue lens Produces a powerful beam of light that is unobstructed 360 degrees Unique design has dual-levels of warning lights, five powerful rotating lights on the top level and four secondary high power flashing marker lights on the lower level All lenses are made of strong polycarbonate optically enhanced and are replaceable A rubber gasket is built into the upper lens to ensure a watertight seal to the lights base