Underground metal detector is mainly used to detect and identify hidden buried metal.
Has a balance lines, can eliminate "mineralization reaction" impact greatly enhance the effective detection of the depth and accuracy
Have the distinction of ferrous metals and non-ferrous metals function
Can identify metal sound through headphone
Detection depth: 1.5 m -3.5 m;
Signal frequency: 7KHz
Audio frequency: 400Hz
Current job: 12DCV "AA" (alkaline) 8X1.5V
Power consumption: 0.6W