? 7 Unique Siren Tones: Ideal for police, emergency, and security vehicles to deliver loud alerts. ? Built-in Mic & PA System: Equipped with a microphone for public address announcements, allowing you to make loud and clear voice messages on the go. ? Easy Installation & Universal Fit: Compatible with all 12V DC vehicles including cars, bikes, trucks, and other emergency vehicles. Simple installation process with included wiring and remote control. ? Remote Control Operation: Comes with a remote for easy switching between tones and controlling the PA system from a distance for added convenience. ? Compatible with All Cars, Trucks, Mini Trucks, Vans, Bikes ? Comes with 7 Different Sounds