Amazon.com: Wired Alarm Siren Horn, Electric Sound Horn Loud Speaker 115db Loud Voice Warning with Mp3 Playback Home Security Alarm System for Indoor Outdoor : Electronics
FN-A502 Recordable MP3 Siren Horn Alarm Speaker
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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
200W Wireless Remote Police Siren Alarm Amplifier With MP3, Bluetooth, Light Control, And Microphone Function From Signal911, $80.81 | DHgate.Com
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Multifunction Electronic Outdoor Sirens Bluetooth Siren MP3 Sound (SI100P) - China Electronic Siren, Car Alarm | Made-in-China.com
Triggerable MP3 Siren Horn for CCTV Surveillance System 30W Audio Alarm Speaker for Parking Lots and Industrial Control System - AliExpress
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Amazon.com: Wired Alarm Siren Horn, Electric Sound Horn Loud Speaker 115db Loud Voice Warning with Mp3 Playback Home Security Alarm System for Indoor Outdoor : Electronics