Parameters: Name: Handheld 6 in 1 Metal Detector Wall Finders Working current: 50ma Shutdown current: 10μA Automatic shutdown time: 3 minutes Size:16.7*6.6cm/6.6*2.6in Features: Precise inspection: Sound warning, efficient detection, fast and accurate positioning of metal surfaces. High definition lcd screen: Clear reading results on the high-definition lcd display screen. Don't worry about drilling into live wires: Live ac wires will be displayed in all modes to avoid potential serious accidents. Save point mode: Automatically shut down within 3 minutes without any operation. Purpose: Quickly locate wood, metal, and ac wires hidden in the walls, floors, and ceilings of a house. It can work in flat noodles, wallpaper, wood floor, acoustic ceiling, spray painted wall and other places. Prevent you from encountering danger when installing televisions, cabinets, garage racks, etc. Package include: Wall detector*1