Specification Brand : Bi-Trust BulletPoint1 : The cylinder stethoscope is fit for the diagnosis of engine abnormal noise.Lightweight stethoscope allows the user to test for suspicious sound sources and quickly identify the source of engine noisep BulletPoint2 : The engine stethoscope is made of high‑quality stainless steel material, which have high reliability, anti-corrosion, wear resistance, sturdy, not easy cracked, can be used for a long time BulletPoint3 : You can use the stethoscope to monitor the parts that make abnormal noises,including monitor engines, bearings, motors, chassis, gearboxes,etc,which is designed to detect and locate sources of abnormal noise BulletPoint4 : Diagnostic Kit Heavy Duty Engine Diagnostic Tester for KUBOTA Takeuchi Hino, Diesel Scan Tool, Heavy Duty Truck Diesel Scanner, Truck Scanner, Excavator Scanner BulletPoint5 : About after-sale, after you receive the product, if there is any problem, please contact us to solve it, we will reply you within 24 hours. ExteriorFinish : Brushed ExternallyAssignedProductIdentifier1 : 0764725250828 ExternallyAssignedProductIdentifier2 : 764725250828 FabricType : manmade FitType : Universal IncludedComponents : Car Engine Cylinder Stethoscope Repair Tester Diagnost Mechanics Hearing Tool IsAssemblyRequired : 1 ItemName : Cylinder Stethoscope, Car Engine Cylinder Stethoscope Engine Repair Tester Diagnost Auto Mechanics Engine Tester Hearing Tool ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 13 centimeters ItemPackageDimensions_Width : 4 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : automotive-mechanical-systems-testers Manufacturer : bi-trust Material1 : Acrylonitrile Butadiene Styrene Material2 : Stainless Steel MinimumOperatingVoltage : 9 volts ModelName : Car Engine Cylinder Stethoscope Repair Tester Diagnost Mechanics Hearing Tool ModelNumber : 136 NumberOfItems : 1 OperatingSystem : Windows 10 PartNumber : no PowerSourceType : Corded Electric ProductDescription : Feature: 1.Detect anomalies by tracking the sound of water, oil and steam flowing, simple and efficient, can be used to monitor engines, bearings, motors, chassis, gearboxes, etc 2.Shockproof abs handle and sound amplification chamber,can effectively locates trouble spots within the engine block or anywhere when trying to locate rattles 3.Clear sound quality, high sensitivity,can quickly locate the abnormal sound of engine, super sensitive ear and probe parts, avoiding the influence of noises