The change of police light bars
In earlier models of police light bars the siren was situated in the middle of the two beacons. Now sirens have been to a large extent displaced from within the light bars to the bumper so that the light bar dome has space for incorporating things like extra lights, mirrors, or light arrows for traffic control. Police light bars are variously V shaped; rectangular or even come in the shape of dolphin, in aesthetically satisfying patterns. Chassis of present day light bars are made of aluminum, and lens is of impact resistant and highly transparent polycarbonate. Lights on the two ends of light bars are designed to light up the two sides of the road.
On an average, police light bars will have five numbers of rotating lights. Certain models have four numbers of bi-directional rotators. Light bars are now available in wide ranging standard configurations to meet everybody’s requirements. Besides that, manufacturers of light bars are always ready to customize these lights for whoever needs them. The lighting mechanism used in police light bars may be LED, strobe, or halogen.
There are online directories that give long lists of police light bars manufacturing companies. Each of these manufacturers provides complete product details together with graphics, making selection easy for customers. Besides the police, long distance vehicles like trucks, towing trucks, medical emergency vehicles, and construction vehicles use police light bars.
