This is a kind of fine quality digital wall detector. Multifunctional wall detector, metal detection, wood detection, wire detection, accurate detection, wide ranges of applications. The wall detector can quickly locate wood, metal and AC wires hidden in the walls, floors and ceilings of houses. Features: Accurate And Fast: The detector adopts high-sensitivity intelligent micro sensor chip, which can accurately and quickly find the edges and centers of metals, studs, joists, pipes and AC lines behind walls, floors and ceilings. Rapid detection can save users' time and energy and make it easier to complete tasks. Regardless of professionals, homeowners and DIY enthusiasts, this must be the ultimate choice. 5-in-1 Depth Detection: This stud detector wall scanner has 5 scanning modes. Upgraded 5-in-1 mode provides users with more detection requirements. Digital LCD Display And Audio Alarm: The stud detector is equipped with a large LCD display and audio alarm, which helps to detect the accurate position of the object, in addition to displaying the detection mode, center point, low battery indicator, etc. When the material is found, the LCD display and audio alarm will tell you if you are closer to the target. Auto-Calibration Provides You With Maximum Reliability And Accuracy: In the stud/deep mode, place the LCD display on the wall where you want to check the calibration; in the AC/Metal mode, place it in the air for calibration. Usage: Quickly locate wood, metal and AC wires hidden in the walls, floors and ceilings of houses. It can work in slats, wallpaper, wood floors, soundproof ceilings, painted walls and other places. Avoid danger when installing TV, cabinet, garage rack, etc. Specifications: Color: Black / Orange / Black & Silver (Optional) Material: ABS Model: HLW330 Name: Multifunctional Wall Scanner 5 in 1 Stud Detector Battery Model: 9V 6F22 battery (not included) Power Type: Battery-Powered With LCD Screen Or Not: Yes Item Size: 152 * 62 * 28 mm / 5.98 * 2.68 * 1.1 inch Item Weight: 148g / 5.22oz Package Size:160 * 78 * 45 mm / 6.3 * 3.07 * 1.77 inch Package Weight: 168g / 5.93oz 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 List: 1 * Wall Scanner 1 * Manual(English)