Professional water pipe leak tester F-999

Adjustable Gain: Gain range from 0 to 100 dB ensures precise signal detection. Long Battery Life: Operating time on a single charge is at least 30 hours. Stepless Frequency Adjustment: Frequency range from 200 to 3000 Hz with stepless adjustment capability. Compact Design: External dimensions of the case are 45*30*15 cm, making it suitable for industrial use. Multiple Frequency Modes: Equipped with 1-4 modes for various frequency range settings. Low Power Consumption: Operating current is only 30 mA, ensuring energy efficiency.