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which can provide real-time feedback on the recording effect and can be adjusted in real time to output better sound quality
The front-end output adopts 3
Frequency stability: +/-2
With 250X optical and 4X digital zoom
the APP is allowed to stay without cleaning
MD970 Waterproof High Sensitivity Metal Positioning Rod Adjustable Sensitivity Metal Detector(Black) HABOTEST which can provide real-time feedbackParameter: 1. The sensitivity distance of detecting one yuan coin is 5cm 2. Detection method: vibration, sound alarm 3. 4 alarm modes can be adjusted, press and hold the key for 3~4 seconds to enter the adjustment mode (sound + vibration low sensitivity; sound + vibration high sensitivity; vibration low sensitivity; vibration high sensitivity) 4. Power supply: 9V battery (need to buy by yourself) 5. Working environment: temperature minus 20 60 degrees
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