Feature:1. Detect the direction of the line buried in the wall, as well as the breakpoint and shortcircuit point of the line.2. Test short circuits and deep circuits in underground circuits, and troubleshoot circuit breaks and short circuits.3. It can find the short circuit and open circuit faults of underground water pipes and geothermal pipes, power supply lines.4. You can find the fuse, the part where the fuse circuit is covered, and the junction box.5. The cable tester has good performance, accurate testing and high stability.Specification:Item Type: Cable TesterMaterial: PlasticTransmitter Technical ParametersOutput signal125kHzExternal voltage recognition voltage rangeDC 12~400V2.5%; AC 12~400V(50~60Hz)2.5%Temperature measurement technical indicators2.5Display screenLCD with functional display and bar chartExternal voltage dielectric strengthMaximum 400V AC/DCOvervoltage categoryCAT III 300VPollution level2Power supply1 x 9V,IEC 6LR61(battery not included)Power consumptionMinimum currentAbout 31mAMaximum currentAbout 115mAFuseF0.5 A 1000V,6.3x32mm / 0.2x1.3inTemperature rangeWorkingMinus 10 to 50, maximum 80% relative humidity (non-condensing)StoreMinus 20C to +60C, maximum 80% relative humidity (non-condensing)AltitudeMaximum 2000mm / 78.7inSize (height x width x depth)Approx. 190x89x42.5mm / 7.5x3.5x1.7in .Receiver Technical ParametersTracking DepthTracking depth depends on the medium and specific applicationCable positioning modeUnipolar applicationAbout 0~2m / 6.6ftBipolar applicationAbout 0~0.5m / 0~1.6ftSeparate loopUp to 2.5m / 8.2ftNetwork voltage identificationAbout 0~0.4m / 0~1.3ftDisplay screenLCD with functional display and bar chartPower Supply6 x 1.5V AAA, IEC LRO3(battery not included)Power ConsumptionMinimum currentAbout 32mAMaximum currentAbout 89mATemperature rangeWorkingMinus 10 to 50, maximum 80% relative humidity (non-condensing)StoreMinus 20C to +60C, maximum 80% relative humidity (non-condensing)AltitudeMaximum 2000mm / 78.7inSize (height x width x depth)Approx. 241.5x78x38.5mm / 9.5x3.1x1.5inPackage List:1 x Transmitter (Battery Not Included)1 x Receiver (Battery Not Included)1 x T-Tool2 x Serrated Clamp1 Bag x Test Wire Pen (4Pcs)1 x Black Packaging Bag1 x Black Packing Bag Belt1 x English Manual