General Tools MSV100 Stud, Metal and Voltage Detector
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<b>[Product Information]</b><br>
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<li>Ideal for building contractors, carpenters, plumbers, HVAC/R specialists, home inspectors, electricians, realtors, home owners and interior decorators</li>
<li>Detects wood joists/studs, livewires and pipes/cables behind walls</li>
<li>Automatically compensates for wall thickness; in voltage mode, automatically compensates for distance to wire</li>
<li>Center arrow and beeper pinpoint edges; marking slot on top of unit</li>
<li>Power source is 1 9V battery (included)</li>
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