About Detect metals
Metal detector is a useful tool which shows electromagnetic field value in your surrounding. It uses built-in magnetic sensor and it can help you finding how far from your phone any metal is. This app is a simple and easy to use metal detector. Actual value of the field is displayed as microtesla.
It is a great way to check where are wires in the walls and where are metallic objects under the ground. It's very precise and it can work as a real metal detector.
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