Accurate And Fast: The detector adopts high-sensitivity intelligent Mini 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. 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._x000D_ 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._x000D_ 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._x000D_ 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._x000D_ 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._x000D_ _x000D_ Model: HLW330_x000D_ Name: Multifunctional Wall Scanner 5 in 1 Stud Detector_x000D_ Battery Model: 9V 6F22 battery (not included)_x000D_ Power Type: Battery-Powered_x000D_ With LCD Screen Or Not: Yes_x000D_ Colour:black-silver_x000D_ Material: ABS_x000D_ Size:about 152 x 62 x 28 mm_x000D_ _x000D_ Package Contents:_x000D_ 1 x Wall Scanner_x000D_ 1 x Manual(English)_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_