Wolo (7705-B) Infinity 3 LED Emergency Warning Light Bar - Blue Lens, Roof Mount Blue lens 104 Super Bright 1-watt LEDs with a continuously changing light pattern The wide sweep of the high intensity LEDs provides better vision for true 360 degree visibility at greater distances, even in bright daylight The lenses are made from strong polycarbonate that are optically enhanced to produce maximum visibility and are replaceable A rubber gasket is built into all lenses to ensure a watertight fit to the base