Features 1、Powerful Sensitivity: ‑70Ddb probe head sensitivity allows users to detect tiny leakages in wall in a timely and accurate manner, helping them to identify and solve problems early, avoiding greater losses caused by water leakages. 2、Enhanced Amplification: 20000 times sound amplification function enables the water leakage detector to amplify even the faintest sounds of leaks, ensuring users can hear them clearly and increasing detection accuracy. 3、Penetrating Capability: The leakage detector can penetrate materials such as water pipes, cement pipes, and steel pipes without damaging the wall, making it versatile in detecting leakage inside pipes. 4、Excellent Listening Experience: Equipped with 32Ω earphones and the option to connect to a 16 ohm speaker for clearer detection sounds, making this water leakage tester easier for users to determine the presence of leakages. 5、300mAh Battery: Built in 300mAh lithium ion battery for the water leakage detector provides long lasting usage without the need for frequent charging, greatly enhancing user experience. Specification Item Type: Water Pipe Leakage Monitor Material: ABS Sensitivity of Probe: -70Ddb Maximum Sound Amplification: 20000X Penetrability: Pipes, Cement Pipes, Steel Pipes Receiving Way: 32Ω Earphone, can be connected to 16Ω loudspeaker Battery Type: Built in 300mAh Lithium ion Battery Package List 1 x Leakage Detector 1 x Circular Probe 1 x Needle Probe 1 x Earphone 1 x Data Cable 1 x User Manual 1 x Storage Bag