Wall Microphone Voice Listening Detector F-999R for Engineer Water Leakage Oil Leaking

The F-999R High Strength Wall Microphone Voice Listening Detector is a precision engineering instrument designed for detecting water leakage, oil leaks, and pipeline issues through advanced audio detection technology.

• Precision testing instrument with imported high-quality components
• Excellent value with ultra-high information price ratio
• Automatic noise reduction function for clear audio detection
• High-definition hearing device for accurate sound amplification
• Suitable for pipeline side drain detection and floor heating testing
• Effective for geophysical prospecting and water leak detection
• Compatible with various pipeline materials, ground surfaces, and walls

1. Insert the earplug into the earphone hole
2. Connect the probe to the device
3. Turn the power on by rotating the volume knob clockwise
4. Check that the power indicator light is illuminated
5. Adjust the gear rotation knob (positions 0, 1, 2, 3) to select the optimal detection effect