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2 Pcs DC3V Active Electronic Buzzer Alarm Beeper Continuous Sound Speaker 2 Terminals
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Home Alarm Systems

2 Pcs DC3V Active Electronic Buzzer Alarm Beeper Continuous Sound Speaker 2 Terminals

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$5.24
Speed Counting Sensor Module, Linear Magnetic Sensor Switches A3141 Chipset LM393 Dual Differential Comparator 2 LED For Alarm Detection
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Home Alarm Systems

Speed Counting Sensor Module, Linear Magnetic Sensor Switches A3141 Chipset LM393 Dual Differential Comparator 2 LED For Alarm Detection

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$5.07
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Unique Bargains Black Plastic DC 3-24V Wired Industrial Continous Sound Electronic Buzzer 90dB

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$5.03