To warn drivers of their presence and to pull people over with.... Do you seriously have to ask?
There are many places that you can purchase police strobe lights. Many of them have different styles that you can choose from. Amazon and Speed Tech Lights are just a couple of places you can find these lights.
pace cars need strobes lights for the simple reason of being visable to the race cars behind it. The pace car also will turn off the strobe lights to let the race car drivers know that the next lap will be a green flag lap
Chicago is famous for having only Blue lights on its police cars
Strobe lamps use xenon.
strobe lights
The strobe lights that are used for Halloween decorations are the ones that are shaped like skulls or pumpkins. strobe lights that have blacks lights in them are also an alternative option to give the room a creepy effect!
Lights, and Siren.
Yes
Emergency strobe lights are useful for drivers who have breakdown at night. They warn other drivers that the car is parked on the side of the road. Emergency strobe lights can be purchased online from Amazon.
To make the hazard lights alternating flash, a kit called a wig wag is added to the flasher system. To have actual strobe lights, then a strobe kit with its own light has to be installed.
Xenon
if they are mechanical strobe lights- yes.