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Product Categories
Piezo Element ( 6 )
Buzzer And Transducer ( 106 )
Speaker ( 64 )
Siren ( 9 )
Ultrasonic Sensor ( 6 )
Switch ( 92 )
Fuse& Fuse Holder ( 55 )
Battery Holder ( 38 )
Magnetic Contact ( 57 )
(Total 3 Products for Electronic Police Siren)
FBPS4724 mini piezo siren 47mm electronic siren
FBPS4724 mini piezo siren 47mm electronic siren According to the sound principle, there are: 1. Electric alarm: convert electric energy into mechanical energy,Piezo Siren and then mechanical energy into sound energy. 2. Electroacoustic alarm: convert the audio signal into sound energy after it is amplified by...
FBPS103 Wireless siren with flash alarm system
FBPS103 Wireless siren with flash alarm system The railings on both inside and outside the Forbidden City each stone steps, if you look carefully will find a kind of spherical carved pillars, all the flower heads, but near the gate outside of a few at the top of the its all have through holes, this kind of thing...
FBPS5556 120dB Alarm Piezo Siren with Backup Battery
FBPS5556 110dB Alarm Piezo Siren with Backup Battery Alarms can be classified into the following categories according to their use environment: Home alarm Commercial fire alarm Temperature alarm Smoke alarm Gas alarm Acoustooptic alarm Double net alarm
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.