Metal Detector, Accuracy +/- 1/2 in, Overall Height 4 in, Batteries Required Batteries Required (Included), Overall Width 5 1/8 in, Overall Depth 2 13/16 in, Materials Detected Ferrous Metal, Live Wire, Non-Ferrous Metal, Battery Type AA Alkaline, Scan Depth for Ferrous Metal - Maximum 4 in, Scan Depth for Wood - Maximum Not Applicable, Scan Depth for Live Wire - Maximum 4 in, Scan Depth for Non-Ferrous Metal - Maximum 4 in, Functions Locates rebar, pipes, and other metal, Includes Metal Finder