3-in-1 Stud Center Finder, Detects AC Live Wire Up to 75mm and Metal Pipes Up to 30mm ODM / Customization are WelcomeTo find the stud center quickly Easy to read LCD display with backlight LCD display and audio indicator Detects wood and metal up to 18mm Detects metal pipes up to 30mm Detects AC live wire up to 75mmOperates on 6F22, 9V battery In contrasting Magicelectro business model with an ...