1. Multi-probe wall scanner 5 in 1 wood metal wiring moisture detector in one.2. Can detect metal in walls and ceilings to avoid danger when you install TVs, cabinets, garage racks, etc.3. High-sensitivity metal probe with new low- chip technology.4. Fully automatic , the data is clearly visible in low light and conditions.5. Suitable for a variety of materials, to avoid easy to , screen display probe distance data, detection location. The sensor is located near the marker hole and locate the center to detection accuracy. : Quickly locate wood, metal and AC wires in the walls, floors and ceilings of houses. It can work in slats, wallpaper, wood floors, acoustic ceilings, painted walls, etc.Feature:The multifunctional wall scanner HW430 has scanning modes: Stud 0.5 inch.Scan: locates the center and edges of wood and metal studs up to 0.5 inch. (13mm) Deep stud 1 inch.Scan: Locates centers and edges of wood and metal studs up to 1 inch. (25mm) Deep studs 1.5 inch.Scan: Locate up to 1.5in. centers and edges of wood and metal studs. (38mm) deep metal.Scan: Detects metal exchanges up to 2.36 inch. (60mm) deep.Scan: Detects live unshielded AC wires up to 2 inches (51mm) deep.Name: 5 in 1 Stud DetectorBattery: 9V battery (without battery)Battery : 9v battery 6F22Size: 152x62x28mm/5.98x2.44x1.1inchcolour: blackMaterial: PlasticPackage Contents:1 x Metal DetectorOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.