Item Tag: Nm-105
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9V 12V 24V DC Stobe Siren with 3 Tones Home Security Horn Safety Anti-Theft S…
Sound and Light Alarm Siren, connect 9 to 24VDC power source, it sound&flash. Without UL Certificate, it sound when connect to 9V or 24VDC power. It’s lound, 3 tones available– fire alarm, ambulance, police.