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DC2 to 12V Alarm Siren with 3.5mm Plug Connector
120dB@12VDC, it's loud even at 3V or 5VDC
Plug connector inner is anode,out is cathode or cut off, Red is Anode, Black is Cathode
Can mount by Sticker or Screws
What you get:1xAlarm Siren with sticker