Stud finder wall scanners offer precise, invisible detection to help you locate wood, metal and live wires behind walls, floors and ceilings for safe installations every time. Key benefits - Clear, actionable locations of studs, metal elements and energized wires, reducing the risk of damage during drilling or mounting. - Ideal for professionals, homeowners and enthusiasts who want safer renovations and more predictable results. - Versatile across surfaces such as slatted boards, wallpapered wooden floors, soundproof ceilings and painted walls for a wide range of projects. - Advanced automatic calibration with an audible alarm provides stable, reliable performance to help you avoid hazards when installing cabinets, mounting shelves or working in garages. What this device does - Detects wood, metal and live wires behind behind walls, floors and ceilings. - Multifuntion device that adapts to different environments and surface types. Use scenarios - Mount heavy cabinets or garage shelving by locating studs and live wires before drilling. - Install a wall-mounted TV or decorative shelf, ensuring safe anchoring away from wiring. - Renovate a room and reposition fixtures by locating joists and wiring behind painted or wallpapered walls. 可靠, professional, and easy to use, this stud finder wall scanner helps you plan installations with confidence and improve overall project safety.