Groundtech GR-4 Dual Ground Scanner Lithium Polymer Accumulator Ground Balance Range: From Ferrite

Ground Balance Range: From Ferrite to Salt Water Inclusive

the XTREM HUNTER its ultimate accessory to expand your detecting possibilities

Wireless Technology

storage box

Battery life: from 13 to 20 hours depending on which frequency and power (lithium battery/850mA)

Groundtech GR-4 Dual Ground Scanner Lithium Polymer Accumulator Ground Balance Range: From FerriteAdvanced 3D Ground Scanner with Dual Sensor Technology The GR 4 Dual is designed to be extremely simple and compact, making it accessible to everyone. The 3D Ground Scanning System enables the detection, measurement, and location of buried metals, magnetic objects, graves, rooms, and cavities such as tunnels underground. The specially prepared Groundtech Portal 3D Analysis software graphically shows magnetic (iron or steel) and non magnetic (gold,