The powerful magnet screw finder tool includes 2 magnets that can quickly detect the position of drywall screws and fix them to the wall, releasing your hand to easily drill holes in the correct position on the drywall. Adjustable Horizontal Rotation: The rotating level has and horizontal black lines inside to accurately adjust the horizontal and vertical positions. You can mark the drilling position through the hole on the top of the screw finder and hang the TV and stand without the need for additional horizontal adjustment. This wall magnetic screw finder uses a magnet to locate the screw, without the need for a battery. Compared to electrical screws, high-quality materials, and rubber handles, the magnetic lifespan can reach 5-10 years, providing you with comfortable use. [Small and Portable Design] The small and compact design allows the screw detector to be easily stored in a pocket for portability; A perfect Thanksgiving or for fathers and friends. [Wide Use] The screw detector can improve the efficiency of installing TV brackets, photo frames, wall cabinets, garage shelves, shelves, mirrors, and bathroom handles; To avoid wall fractures caused by improperly positioned hazardous devices. Colour:As Shown Material:Plastic Package Contents: 1 * stud finder Only the above package content, other products are not included. 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.