Accurate And Fast: The detector features a high-sensitivity intelligent micro-sensor chip that accurately and quickly locates the edges and centers of metals, studs, joists, pipes, and AC lines behind walls, floors, and ceilings. This detection capability helps save time and energy, making it easier to complete tasks. Suitable for homeowners and DIY enthusiasts.5-in-1 Depth Detection: This stud detector wall scanner offers 5 scanning modes. The upgraded 5-in-1 mode meets a variety of detection needs.Digital LCD Display And Audio Alarm: Equipped with a large LCD display and audio alarm, the stud detector helps identify the precise location of hidden objects. The display shows the detection mode, center point, low battery indicator, and other status information. Both visual and audible signals indicate when a target is detected and as you approach it.Auto-Calibration For Maximum Reliability And Accuracy: In stud/deep mode, place the device on the surface for calibration. In AC/metal mode, calibrate in the air to ensure accurate readings.Usage: Quickly locate wood, metal, and live AC wires hidden in walls, floors, and ceilings. Works effectively on drywall, wallpaper, wood floors, soundproof ceilings, painted walls, and similar surfaces. Helps avoid hazards during installation of TVs, cabinets, garage racks, and other fixtures.This is a high-quality digital wall detector with multiple functions including metal, wood, and wire detection. It provides accurate results and is suitable for a wide range of applications. The device can quickly locate wood, metal, and AC wires concealed in walls, floors, and ceilings.Model: HLW330 Name: Multifunctional Wall Scanner 5-in-1 Stud Detector Battery Model: 9V 6F22 battery (not included) Power Type: Battery-Powered LCD Display: Yes Item Weight: 148g / 5.22oz Color: Black Material: Plastic Size: 152x62x28 mm / 5.98x2.68x1.1 inch Multifunction Wall Scanner HLW330 Features Five Scanning Modes: - Stud 1/2 inch scan: Locates the center and edges of wood and metal studs up to 1/2 inch (13 mm) deep - Stud 1 inch scan: Locates the center and edges of wood and metal studs up to 1 inch (25 mm) deep - Stud 1 1/2 inch scan: Locates the center and edges of wood and metal studs up to 1 1/2 inch (38 mm) deep - Metal Scan: Detects metal up to 2.36 inch (60 mm) deep - AC Scan: Detects live unshielded AC wires up to 2 inch (51 mm) deep Package Contents: 1 x Metal Finder Scanner (Other items not included)Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.