The 5-in-1 stud finder is used to detect the center position of wood stalks, metal positions and wires in walls made of wood and gypsum board, and has AC warning function.Applicable scenarios: The wall detector can detect metals, wooden beams and cables in walls, ceilings and floors (the walls, ceilings and floors are conventional concrete, ceramic tiles, planks, etc.)Precise positioning and intuitive displayComfortable to touch and easy to operateApplicable to a variety of scenarios.5-level detection depth:Wood Studs detection I: Inch (12.7mm)Wood Studs detection II: 1 inch (25.4mm)Wood Studs detection III: 112 inches (38mm)Metal Detection: 2.36 inches (60mm)AC detection: 2 inches (51mm)Display: LED liquid crystal green backlit screen supply: A 6F22 type 9V battery(Not included)Product size: 171x70x35mmColour:silver + blackMaterial:ABSPackage Contents:1 x Stud Detector1 x English manualOnly 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.