Seco-Larm ST-BL01Q Hi-Speed Latching Tester
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<b>[Product Information]</b><br>
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<li>Allows you to verify N.O. and N.C. circuit continuity over durations</li>
<li>Perfect for troubleshooting security and electrical systems</li>
<li>Beeps and illuminates LED upon verification</li>
<li>3 test modes: real-time, auto-reset, latch</li>
<li>Includes battery and belt clip</li>
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