Receiver display rotates automatically for easy viewingIdentifies breakers and fuses with CertainCircuit detectionPinpoints open and shortsTraces wires0-99 display of signal strengthAudible indication intensifies in tone/pitch with signal strengthWorks on energized or de-energized circuits (0-600V AC/DC)Four sensitivity levelsPeak reading bar graph2-year warrantyIDEAL, a leader in Circuit Tracing technology, has released the latest generation of circuit tracers with refinements in performance, ease-of-use and safety.PerformanceFour defined ranges let you quickly select the proper sensitivity for your jobEasy-to-replace AA batteries provide the tracer with 4 times the tracing powerEase-of-UseSuper-bright OLED display (61-957 and 61-959) indicates a numeric value between 0 and 99,providing a quick and easy way to determine signal strengthPeak detection provides instantaneous signal strength feedbackSureTrace Circuit Tracers feature the only rotating display in the industryRegardless of the position the tracer is in, the display will orient itself in an easy-to-read vertical positionSafetyDesigned for durability and safetyCAT III 600VHigh energy fuseFeaturesCan be used on circuits 0-600V AC/DCIdentifies breakers and fusesPinpoints opens and shortsTraces wires behind walls