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. Whether you're a homeowner or a DIY enthusiast, this is an ideal tool for your needs.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 requirements.Digital LCD Display And Audio Alarm: The stud detector includes a large LCD display and audio alarm to help identify the precise location of detected materials. The display shows the detection mode, center point, low battery indicator, and more. When a target is found, both the display and audio alarm indicate proximity to the object.Auto-Calibration Provides Maximum Reliability And Accuracy: In stud/deep mode, calibrate by placing the device on the surface to be scanned. In AC/metal mode, calibrate in the air.Usage: Quickly locate wood, metal, and AC wires hidden in walls, floors, and ceilings. It works effectively on drywall, wallpaper, wood floors, plaster, and painted surfaces. Helps avoid hazards when mounting TVs, cabinets, shelves, and other fixtures.This is a high-quality digital wall detector with multiple functions including metal, wood, and wire detection. It delivers accurate results and is suitable for a wide range of applications. The device can quickly locate wood, metal, and AC wires hidden 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 inches (60 mm) deep - AC Scan: Detects live unshielded AC wires up to 2 inches (51 mm) deep Package Contents: 1 x Metal Finder Scanner (Other items not included)Note: Lighting and display settings may cause slight color variations between the image and the actual product. Measurement may vary by +/- 1-3 cm.