Specification Brand : Haofy BulletPoint1 : Applicable Battery: Lithium battery 3.7V, battery model 501518, battery capacity 100mAh (delivered with bBuilt in battery). BulletPoint2 : High Sensitivity Detection: The high sensitivity detection of sound from wall, window, doors or armor panels, with headphones included for clear sound quality. BulletPoint3 : Simple : Move the detector close to a door, window, wall, adjust the volume until you hear a clear sound, and you can easily hear all sounds in one step. BulletPoint4 : Fully Functional: Wall pipe listen detector tool has charging hole, headphone jack, switch button. Probe sensitivity is?60DDB. BulletPoint5 : Strong Penetrability: The water pipe detector has strong penetrability, whether it is water pipe, cement pipe or steel pipe, it can play a very good effect. Color : Assorted Color ExternallyAssignedProductIdentifier : 4047728081320 FinishType : Finish GpsrSafetyAttestation : 1 IncludedComponents : inc ItemName : Wall Pipe Leak Detector Sound Collector Sound Noise Reduction Amplifier with Headphone Water Pipe Leakage Sensor ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : leak-detection-tools Manufacturer : Haofy Material : ABS, stainless steel, silicone ModelName : Qmeerm5sgiezh8 ModelNumber : QmeeRM5SgieZh8 NumberOfItems : 1 OperatingHumidity : 95 percent PackageLevel : unit PartNumber : QmeeRM5SgieZh8 PowerSourceType : Battery Powered ProductDescription : Feature: 1. Simple : Move the detector close to a door, window, wall, adjust the volume until you hear a clear sound, and you can easily hear all sounds in one step. 2. High Sensitivity Detection: The high sensitivity detection of sound from wall, window, doors or armor panels, with headphones included for clear sound quality. 3. Fully Functional: Wall pipe listen detector tool has charging hole, headphone jack, switch button. Probe sensitivity is‑60DDB. 4. Applicable Battery: Lithium battery 3.7V, battery model 501518, battery capacity 100mAh (delivered with bBuilt in battery). 5. Strong Penetrability: The water pipe detector has strong penetrability, whether it is water pipe, cement pipe or steel pipe, it can play a very good effect.