Ask Trooper Steve: Why are police lights red and blue?

Why do police have red and blue lights ?

RED & BLUE SLOW Flashing colours LED Lights - Party Strobe - Color Changing Screen - 3 Hours

'Ask Evan': "Why are other state's police car lights blue?"

Blue and Red Lights Police

Police Lights With A Siren Red Blue For A Phone 1 Hour

Action News Investigates: Firefighters using illegal lights on cars

🚨 警察ライト #3 - 4K (10 時間) | アンビエンス画面。

FLASHING POLICE LIGHT Blue & Red Party Lights [10 HOURS] [SEIZURE WARNING!]

Red & Blue lights (VIP lights): Is it legal to have on civilian vehicles?

Victoria Police Red and Blue Flashing lights

Ask Trooper Steve: Blue lights on vehicles

Police Lights Blue/Red/White [WARNING LIGHTS]

Why are Red & Blue lights used in emergency? Ambulance & police me red & Blue light kyu use hoti he?

Color Changing Screen Red Blue - Police Led Lights Colors [10 Hours]

Ask Trooper Steve: What to do if police lights on but not flashing

Messed up-Police lights and siren!(SEIZURE WARNING!)

SLCPD warns of driver impersonating officers with flashing red and blue lights

Fake Cop? Sketchy guy in civilian car flashing blue lights. KY 918PFK - Not Fire Fighter

PJ cops probing video of car using red-and-blue strobe lights