1. Various materials can be detected to accurately locate the positions of wood, metal and wires. 2. Hd large screen, LED backlight, easy to read measurement data, easy to correspond to the dark. 3. Non-slip soft adhesive, strong and anti-falling, waterproof and dustproof. 4. Maximum detection depth of wood/metal/live wire: 38mm/76mm/51mm. 5. Use 9V battery (not included).
