Shangda DC 12V Wired Doorbell Door Bell Chime For Home Office Access Control System Dingdong Musical Melody
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<b>[Product Information]</b><br>
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<li>12V Wired Doorbell Chime For Home Office Access Control System</li>
<li>Working Voltage: DC 12V</li>
<li>Material: Plastic</li>
<li>"Ding-Dong" Voice output without built-in battery,Connect to DC 12V Power Directly</li>
<li>Switch is not included</li>
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