Description: The dual-probe design can be switched according to the actual situation, including the circular probe and the needle probe. With an adjustable sound level and the rechargeable built-in ba more→ttery, the product is convenient to use. Made of the premium ABS and metal material, the product is durable, sturdy, and portable. The length of the product is 6cm, the width is 4cm, and the height is 2cm. It can be widely used for leak detection of various construction pipelines, such as water pipe, cement pipe, steel pipe, etc. Item Name: Listen Detector Material: ABS,Metal Sensitivity: Probe -10D db Battery Capacity: 300mAh(Included) Audio: Maximum Audio Magnification 20000X Current Consumption: …