Features: 1.Clear sound quality, high sensitivity, can quickly locate the abnormal sound of engine 2.Detect anomalies by tracking the sound of water, oil and steam flowing 3.Simple and efficient, can be used to monitor engines, bearings, motors, chassis, gearboxes, etc 4.Suitable for all kinds of mechanical equipment such as automobiles, ships, airplanes, machine tools 5.Equipped with 215mm extended probe, easy to operate Specification: Features:_x000D_ 1. Clear sound quality, high sensitivity, can quickly locate the abnormal sound of engine._x000D_ 2. Detect anomalies by tracking the sound of water, oil and steam flowing._x000D_ 3. Simple and efficient, can be used to monitor engines, bearings, motors, chassis, gearboxes, etc._x000D_ 4. Suitable for all kinds of mechanical equipment such as automobiles, ships, airplanes, machine tools._x000D_ 5. Equipped with 215mm extended probe, easy to operate._x000D_ _x000D_ Specification:_x000D_ Item Type: Cylinder Stethoscope_x000D_ Material: Stainless Steel Tube_x000D_ Color: As Pictures Show_x000D_ Frequency Range: 10HZ-10KHZ_x000D_ Probe Length: Approx. 90mm / 3.5inch_x000D_ Extended Probe Length: Approx. 215mm / 8.5inch_x000D_ Hose Length: Approx. 280mm / 11.0inch_x000D_ Package Weight: Approx. 123g_x000D_ _x000D_ Package List:_x000D_ 1 * Cylinder Stethoscope_x000D_ 1 * Extended Probe PackageList: