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15 METER WIRELESS REMOTE--The remote could be switch to microphone with side button, and could be easily charge via the USB port on the back of the

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SMALLFATW Police Siren 20 Tones 130 DB 200 Watt, Dual 20A Auxiliary Switch, Wireless Remote USB Rechargeable 15M Control Range, Car PA System Speaker Horn, Emergency Siren for Car Truck Vehicles

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YHAAVALE Car Police Siren 400W Signal Division PA System 940 Wireless Amplifier+2pcs Ultra Slim Metal Speaker Electronic Emergency Horn Sound System for Police Cars Fire Trucks : : Electronics

YHAAVALE Car Police Siren 400W Signal Division PA System 940 Wireless Amplifier+2pcs Ultra Slim Metal Speaker Electronic Emergency Horn Sound System for Police Cars Fire Trucks : : Electronics

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ePathChina 7 Tone Sound Loud Car Siren Vehicle Horn Bulgaria