Product Description Water Pipe Leak Detector Engine Motor Abnormal Sound Noise Electronic StethoscopeCondition: 100% newColor:Black & SilverMaterial: Metal & PlasticStethoscope size: approx. 20.6x5x3.2cm(8.1x2x1.3Inch)(LxWxD)Probe length: approx. 29cm&7cm (11.4&2.8inch)Earphone line length: approx. 170cm(66.9inch)Frequency Range: 100Hz-10kHzInput Impedance:more than 15MohmAmbient Noise Permitted: 100dBWorking Temperature:-10 degrees Celsius-55 degrees CelsiusPower Supply: 9V(6F22) batteryWeight: about 240g(long probe &main part)Item included: 1 x Electronic Stethoscope (Battery is not included) 2 x EM410 High Sensitive Probe (short & long) 1 x Earphone 1 x PU Leather Bag 1 x User Manual Suitable for: detecting noise in machine components, measuring the water tank tightness, checking the pipe, leakage, etc. This Is Aftermarket Replacement Item But Not Genuine Note: 1) All dimensions are measured by hand, there may be small deviations. 2) The battery mentioned above is not included in package. 3) While detecting, don't touch the probe with your hand or skin. 4) Never apply the probe to any live part. 5) Never apply the probe in any dangerous situation,which may cause personal injury.