<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><span style="font-size:22px;"><strong>Module features:</strong></span><br />
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<span style="font-size:18px;">1. There is a 3mm installation screw hole<br />
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2. Powered by a 5V DC power supply<br />
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3. There is analog output<br />
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4. There is a threshold flip level output<br />
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5. High sensitivity microphone with high sensitivity.<br />
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6. There is a power indicator light<br />
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7. The comparator output has an indicator light<br />
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