Using ultra-wide band (UWB) radar technology, the D-Tect150 Wall/Floor scanner displays material type, depth, and relative width information of ferrous and nonferrous metal, nonmetal objects such as wooden studs and plastic pipes, and live AC wires; even in 6-in. cured concrete. With an illuminated backlit LCD display, calibration-free ergonomic handle, single-button toggle operation, and a four-wheel design, the unit is easy to use. Bosch Power Tools and Accessories. 877-267-2499.