?7-TONE SIREN & PA SYSTEM – Ideal for police, emergency, and security vehicles to deliver loud alerts. ?SUPER LOUD SOUND – Ensures clear warnings for road safety and public announcements. ?REMOTE CONTROL OPERATION – Easily switch between tones and control the siren from a distance. ?BUILT-IN MIC FOR VOICE AMPLIFICATION – Use as a PA speaker system for real-time communication. ?UNIVERSAL COMPATIBILITY – Suitable for cars, bikes, trucks, and other 12V vehicles.