Feature: 1. Strong Practicability: The water leak sensor has strong practicability and is suitable for water leakage detection of various construction pipelines. 2. Adjustable Sound: The adjustable sound design of this water leakage detector allows you to adjust the sound size according to the situation on site or your own needs. 3. Dual Probe: The water pipe leak monitor adopts double probe design and can be switched according to the site conditions, which is convenient and fast to use. 4. Better Sound Quality: The water leakage detection uses new components and advanced technology, the penetration is improved several times and the sound quality is greatly improved. 5. Durable: It is made of high quality ABS material, and the built in battery is made of lithium battery, with a high capacity of 2000mAh, which can provide long service time. Specification: Item Type: Water leakage detection Material: ABS Weight: Approx. 349g/12.3oz Battery Specification: 2000mAh (built in) Battery Model: 3.7V lithium battery Purpose: Household plumbing. Package List: 1 x Water Leakage Detection1 x Plug1 x USB Line1 x Headset1 x Probe1 x Accessory1 x English and Chinese Instructions