Features: this 3 in 1 Wall Scanner accurately detects metal, wood, and live wire within wall , ensuring safety during homes renovations. Featuring a user friendly LCD display, this lightweight handheld device offers straightforward operation for precise measurements. Ideal for homes Renovations enthusiasts, professional builders, and DIY hobbyists search reliable detection tool . Perfect for various applications such as homes remodeling, office refurbishments, and new construction projects. With its plastic casing, this wall Detectors is designs to with stand frequent use while providing stable result each time . Specifications: Material: plastic Power supply: 9v battery(Not included) Size: about 155x69mm/3x6inch Package Includes: 1xWall Scanner note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.