Features:Made of high-quality materials, durable, wear-resistant, corrosion-resistant.Insulation probe and built-in loudspeaker can effectively avoid short circuit of conductor and make it safer to use.Measurement areas include line tracking, short circuit testing, clearance/busy/ringing recognition.For non-terminal cables, clamp mode can be used for direct measurement, as well as for telephone and network line measurement.With optional continuous or adjustable generator, the method is simple and the test results are accurate. It is widely used in the maintenance of cables and wires.Specification:Condition: 100% Brand NewMaterial: PlasticGain: Nominal 30dBInput Impedance: Nominal 100M OhmProbe Tip Resistance(Min): Metal Tip: 0 Ohm Plastic Tip: 300 OhmBattery: 1 X 9V Battery DC (NEDA 1604, JIS 006P, Or IEC 6LR61) (Battery Not Included)Battery Life(Nominal): 50 HoursTemperature: Celsius: 0 - 50Fahrenheit: 32- 122Weight: Approx. 300g / 10.6ozSize: Approx. 231x55x28mm / 9.1x2.2x1.1inPackage List:1 x Storage Bag1 x Cable Tester (2 Parts) (Battery Not Included)1 x Instruction Manual 1 x Replacement Head.Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ording.