Feature:1. MAIN PURPOSE: The detector kit is applicable to water leakage detection of various construction pipelines, convenient and practical.2. VOLUME ADJUSTMENT: Detect pipe leakage by amplifying the sound, adjust the volume with earphone, can connect 16 speaker (not included).3. APPLICABLE MATERIAL: The detector has strong permeability, which can detect water pipes, steel pipes, rocks or wood boards, with high efficiency.4. DOUBLE PROBES: The leakage detector is dual probes design, including circular and pin probe, can be switched according to requirements.5. WITH BATTERY: Equipped with 300mAh lithium ion battery and charging cable, the water leakage meter can be used anytime and anywhere.Specification:Item Type: Water Pipe Leakage MeterProduct Material: ABS, MetalBattery Information: 300mAh lithium ion battery (built in battery)Probe Sensitivity: -70DdbMaximum Audio Magnification: 20000 TimesPenetration: Water pipe, steel pipe, rock, woodAnswer Mode: Earphone, connect external 16 speaker.Package List:1 x Detector1 x Circular Probe1 x Pin Probe1 x Earphone1 x Charging Cable1 x User Manual1 x Storage Bag