Easy operation and superior tracing for low voltage applications including telephone, data and security alarm wiring. Checks voltage on wire pairs and generates a tagging tone along the wire that is picked up by the tracing probe. Traces single conductors or cables within bundles, either at midpoint or at remote ends. Includes an LED headlight for working in dark spaces, a headset jack, audible circuit beeper and external warble-select on the tone generator. Large speaker for noisy environments. One Year Warranty Features Tone Probe Adjustable volume control Replaceable tip Tone Generator Continuity & polarity LED External warble select RJ11 & RJ45 socket Lanyard Short circuit LED/beeper Dual line modular LED Alligator connector clips