USB Professional Water Pipe Leakage Detector Water Pipeline Leak Detector Plumbing Engineering Leak Detection Device EU Plug 100‑240V Item Type: Water Leakage Detector Product Material: ABS Weight: Approx. 365g / 12.9oz Consumption Current: 15mA Applicable Battery: Lithium Battery 3.7V (Shipped with Built in Battery) Battery Model: 571935 Battery Capacity: 350mAh Probe Sensitivity: -70Ddb Maximum Audio Magnification: 20000X Penetration: Water Pipe, Cement Pipe, Steel Pipe Answer Mode: 32Ω Headset, External 16Ω Speaker Pickup Parameters: Charging Duration: 3-5 Hours Battery: 220mAh Lithium Battery (Shipped with Built in Battery) Sound Acquisition Time: About 5-6 Hours, Current About 40mA Continuous Playback Duration: About 6-7 Hours, Current About 35mA Memory Card: Support 32G Micro Memory Card (Shipment Without Micro Memory Card) Product Size: Approx. 6x5.8x2.3cm / 2.4x2.3x0.9in