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Recordable Sound Alarm Horn with Built-in MP3 Player Programmable MP3 Siren Speaker for Autocars Trucks and Industrial Control
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Multifunction Electronic Outdoor Sirens Bluetooth Siren MP3 Sound (SI100P) - China Electronic Siren, Car Alarm | Made-in-China.com
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Wireless 400W Police Siren Stereo Amplifier With Bluetooth With MP3 Function, Remote Control, And 2 Interchangeable Loudspeakers From Signal911, $251.06 | DHgate.Com
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