Cintex Autosearch Metal Detector. Model: Auto2. S/N: 99642A. Maximum aperture/clearance: 3 ft. 8 in. L x 3 in. W. Sensitivity tested with test strips as 2.5 mm ferrous metals, 3.0 non-ferrous metals, and 3.0 mm non-magnetic stainless steel. Actual numbers may vary depending on local site conditions, product tested, and other factors. Overall dimensions: 5 ft. 6 in. L x 1 ft. 4 in. W x 1 ft. 5 in. H.(H16).