Features EASY WORK The headphone with 2000X audio gain is adjustable and the simple operation will greatly improve work efficiency. Good Detection The detector can quickly search and confirm the leak point in different pipelines, thus better protecting the entire system. Wide Applications The underground water pipe detector is versatile and suitable for the construction, repair and maintenance of pipelines, etc. High Accuracy Equipped with two probes, a round probe and a needle probe, the water leak detector ensures high testing accuracy when working. Easy to carry: Due to its compact size and light weight, the device is very convenient to carry for detecting water pipes. Specification: Item Type:Water Leak Detector Material: ABS, alloy steel. Battery: 1 x 1000mAh capacity polymer battery, comes with built-in battery. Power Consumption: 15mA Probe sensitivity: -70 ddb. Maximum audio gain: 2000X. Penetration: for water pipes, cement pipes, steel pipes. Listening: 32 ohm earbuds, external 16 ohm speakers can be connected. Package list: 1 x water leak detector. 1 x probe needle. 1 x probe head. 1 x headphones. 1 x USB cable. 1 x user manual (English language not guaranteed) Package List 1 x Water Leakage Detector 1 x Probe Needle 1 x Probe Head 1 x Headphone 1 x USB Cable 1 x User Manual