Electronic Stud Finder, Multifunction

Electronic Stud Finder, Accuracy 1/8 in (Stud Center), 3/16 in (Stud Edge), 6 in (Wire Warning Detection), Overall Height 6 3/16 in, Batteries Required Batteries Required (Included), Overall Width 3 1/16 in, Overall Depth 1 5/16 in, Materials Detected Live Wire, Battery Type 9V Alkaline, Scan Depth for Ferrous Metal - Maximum 3 in, Scan Depth for Wood - Maximum 1 1/2 in, Scan Depth for Live Wire - Maximum 2 in, Scan Depth for Non-Ferrous Metal - Maximum 1 1/2 in, Functions Center-Finding