Simple Stud Detector
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<b>[Product Information]</b><br>
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<li>Detects wood up to 0.472 inch (12mm);</li>
<li>Auto calibration stud detection</li>
<li>LED light visual indication;</li>
<li>One level bubble to detect the level;</li>
<li>Operated by two LR44 1.5V batteries (batteries included);</li>
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