Item Type: Water Pipe Leakage Detector Material: Plastic + Metal Battery Type: Lithium Battery 3.7v (Shipped with built-in battery, without TF card) Battery Model: None Battery Capacity: 210mah Current Consumption: 15ma Probe Sensitivity: -70ddb Maximum Audio Magnification: 20,000x Penetration: Water Pipe/Cement Pipe/Steel Pipe Answering Method: 32 Earphones, 16 Speakers Package List 1 x Probe 1 x Probe Needle 1 x Power Cord 1 x Earphone 1 x Host 1 x Recording Module 1 x Bilingual Manual 1Efficient and Accurate: With advanced technology, you can quickly and accurately locate leaks, making them an essential tool for any pipeline detection task. 2Amplify Sound: Water leak detectors detect pipe leaks by amplifying sound and using headphones to help you. The maximum sound amplification is 20,000 times. 3Easy to Use: The leak detector design is simple, you can easily detect leaks in the water pipe in just a few steps. Using 32 headphones to answer, you can also connect 16 speakers. 4Enhanced Design: Made of durable material, the water leakage locator has been upgraded to improve durability and service life, making it more suitable for long term use. 5Multifunctional Use: Water leak detector can be used for all types of water pipes and other pipes, widely used in domestic, industrial and commercial places.