Features: LCD shows easy reading. Suitable for indoor decoration use. When detect metal, wood or AC wire, the detector has sound alarm, and shows analog display. Can detect metal, STUD, AC wire inside the wall. Anti-skid design, use wave-shaped design, allowing users to better use, to prevent slipping. Specifications: Size: 15*5.5*6.5cm Color: black & orange STUD detecting depth: wood 30*30mm: 18mm Metal detecting depth: iron pipt 25mm: 30mm AC live wire detecting depth: AC 90 ~ 250V 50mm Package included: 1 x 3 In 1 Stud Finder Notes: Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.