GROUNDTECH A2 Geo 3D Metal DetectorGROUNDTECH A2 Metal Detector is back order. Estimated delivery time 20 business days GROUNDTECH A2 Geo 3D Metal Detector Depth: 20 meters The A2 GEO Model features a Geo Electric system capable of detecting groundwater sources, underground tunnels, ancient tombs, and caves at significantly deeper levels. It enables quick scanning across four lines with both manual and automatic scanning systems, and results can be analyzed in 3D on the Groundtech