Get on Amazon.com : http://www.amazon.com/gp/product/B0076A038Q?tag=clothingattes-20<br /><br />TRENDnet - TC-TP1 - Amplified Induc.and Tone Probe<br /><br />TRENDnet s TC-TP1 is an easy-to-use amplified inductor and tone probe that is used for tone tracing and line testing <br />The TC-TP1 features a simple push button that provides easy operation and conserves battery power <br />This ergonomically designed device comes with adjustable volume control and signal LED for enhanced accuracy in noisy environments <br />The TC-TP1 also includes a RingTip polarity test indicator <br />When combined with a compatible Tone Generator a technician can quickly locate isolate and test commonly used voice and data cables swiftly and efficiently
