1、Fine Craftsmanship: This water pipe leak detector boasts a finely crafted metal body, indicating a precision made, high end professional instrument for leak detection. 2、High Performance: The leak detector delivers clear audio and high sensitivity, thanks to its imported components, giving it the ability to detect even slight variations in water flow. 3、Four Gear Adjustment: The device features adjustable four gear settings, enabling it to operate under various conditions and be tuned according to testing requirements. 4、Operating Principle: The leak detector works by amplifying the vibrations of a physical sound source until it is audibly detectable. The sound is then transmitted, allowing you to pinpoint even the smallest leaks. 5、Noise Filtering: This water leak detector is capable of effectively filtering out noise, enabling quicker detection of leak points, making it a convenient and practical tool for maintaining your water piping system. Item Type: Water Leak Detector Current Consumption: 30-80mA Operating Voltage: DC 5V 2.1A Battery: 1200mAh Lithium Battery (Built in) Working Time: 10-23 hours (depending on sound intensity) Audio Options: Stepless Speed Control (100-3500Hz) Probe Sensitivity: -80dB Maximum Distance: 50-1500cm (for underground drainage over 50cm) Features: Noise Filtering, Sound Limiting, Spectrum Display, Double Sided ProbeExpansion Hole Sound Filter: 0-4 levels Sound Limiter: On/Off Spectrum Display: 9 interface options Double Sided Probe: Enhanced sensitivity and durability for different environments REC Expansion Hole: 3.5mm jack for additional functions or direct recording 1 x Water Pipe Leak Detector 1 x Sensor Head 1 x Earphone 1 x USB Cable 1 x Aluminum Case