This useful app will help you to simulate a police siren light and its sound. Press anywhere on the screen and siren will start flashing with blue and red lights. High quality police sound gives very realistic effect comparable to real siren installed in police car, fire engine , ambulance or any other public service cars. You can adjust the frequency of lights flashing, so they can work at the same speed as led lights of your local police. Touch your phone screen again to turn simulator off. K