It has two detecting plate, the big one can detect 3.5m under ground at most,and about 1.5m for the small one.

 It is designed for treasure hunting , to search for coin, tube .... etce......

 Technical Specifications

power Supply:   8pcs 1.5V Batteries in Series Emitting Frequency:  6.99KHz Signal Frequency: 437KHz indicators: Visual: Lever Meter Indicators : Sound:2"Speaker or Earphone

Specification

1.)It has two detecting plate, the big one can detect 3.5m under ground at most,and about 1.5m for the small one.2.)It can distinguish ferrous metal and non-ferrous metals.3.)It has ground balance setting,which will eliminate the affect of "Mineralization reaction".

Ground searching metal detector