Extech CT20 Continuity Tester Pro provides local continuity checking which is accomplished by a bright flashing LED and loud pulsating beeper. This continuity tester features remote continuity with the use of the remote probe, and does not tie-up two people when identifying and labeling long distance wire/cable runs.
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to 
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