police siren with lights

Why did they change the police siren?

police siren with lights can use in different fields with different cop siren sounds.

8 different Tones of sirens, Airhorn, Hi-Lo, HyperLo, HyperYelp, ManualWail, Wail, Whoop, Yelp changing the police sirens sounds in different situations to pay your attention.

Two main reasons for making sounds or the siren:

Firstly, when all emergency vehicles are in the same signal, the driver couldn’t distinguish tasks of other emergency vehicles, and unable to recognize each sound, and may cause a collision at the corner.

so different sounds have a better avoidance effect. For example, when a police vehicle hears an ambulance sirens sound, will avoid it automatically.

Secondly, the siren sound is different for different applications, so the sound of the siren sound and frequency is not the same. The purpose is to distinguish the siren from the noisy environment, bring a better avoidance effect.

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What are siren with lights called?

Red/blue lights installed on the roofs of ambulances, emergency vehicles, fire engines, police vehicle . When turned on the police light and siren, the lights will twinkle. we call it “emergency vehicle lights”

What different police sirens mean?

The purpose of emergency vehicles lights is to analyse road traffic. It depends on different situation whether open up siren of sounds with different emergency vehicles. However, fire engines and ambulances on duty should turn on the cop car siren to be given away.

What’s the meaning of different police siren with lights?

Sirens can use in a variety of fields,specific sounds of sirens in a particular field. So what does different siren mean?

Police and ambulance sirens

Police siren: electronic siren which can operated directly into console of vehicle. The speaker usually located in the rear of the engine compartment and has three different sirens.Police can turned off police sirens when chase. red and blue colors mainly.

Ambulance sirens: same sounds as police vehicle . speakers are mounted on the outside of the ambulance, with louder sound.

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