Police use flashing lights and sirens to warn people

In order to warn people about the arrival of police cars and to let passersby's know of their regular surveillance activities, police cars use special lights and sirens that warn people about their arrival and presence. Most the police light that are installed on cars usually follow a blinking pattern and prove to be a combination of colors. Apart from this, they also use revolving red lights in case of emergencies. Police car lights are placed upon the roof at the highest point of the vehicle so that people can view them from a distance. These lights operate through car batteries; police officers conduct regular checks to ensure their serviceability at all hours.

Police and other emergency services and their personnel are in the business of helping others. There is certain equipment that they need to aid them in their effort to help others. These include emergency vehicles that come equipped with warning signals such as flashing lights and sirens. For maximum effectiveness, this public safety equipment should be both affordable and high-quality. Police lights are put in place to ensure the safety of emergency personnel and the public at large. Police sometimes need to drive really fast, so it is important to have a signal in place that lets other drivers know that a police car will be coming through, so they can get out of the way in time. Otherwise, a potentially fatal crash may occur, which could result in the injury or even death of the emergency vehicle driver, the driver who was unable to get out of the way in time, and/or others around them.