GREAT ACCURACY AND CONSISTENCY -stud finder is professionally designed and equipped with UPGRADED SENSOR CHIPS It senses changes in density behind the wall and help locate the stud center and edge with GREAT ACCURACY Take it home, and make your DIY project easier5 SCANNING MODES UP TO 60MM DEPTH - Our stud locator with multi-functions could quickly and easily locate wood studs metal pipes and live AC wires behind walls, floors, and ceilings This scanner features stud modes with 3 depth types,detecting up to 1 5 inches(38 mm) deep in drywall; Metal mode could detect various metal materials deep up to 2 36 inches; and AC mode detects live AC wires up to 2 inches NEVER WORRY DRILLING INTO LIVE WIRES - WireWarning Detection works up to 2 inches(51mm) deep,and would ALWAYS ON while you are scanning in StudScan/DeepScan/MetalScan Modes This would keep you away from AC wires and avoid you from drilling into water pipe or electrical wires Whether you are a professional, homeowner or a DIY enthusiast, you would find great use with it DIGITAL LCD DISPLAY; CLEAR SOUND WARNING - Helps you Find the Exact Stud Center and Edges Easily Quickly - This digital stud detector features large LCD display together with clear sound warning,and could help you find the exact stud center and edges Easily,Quickly and Accurately, saving you more time and effort