Location device Wallscanner D-tect 120. The D-tect 120 Professional is an intuitive radar scanner for almost all materials. With spot measurement, precise location on narrow surfaces is possible, while the Centre Finder locates the exact center of an object. Thanks to Dual Power Source technology, it can operate with both a 12V Li-Ion battery and standard alkaline batteries. The device is suitable for a range of trades when it comes to locating water-carrying pipes and cables or avoiding mishaps when drilling in carpentry, plumbing, electrical, and heating, ventilation, and air conditioning work. The D-tect 120 Professional features a simple user interface with three self-explanatory selection buttons for adapting to different applications and can locate objects up to a depth of 12 cm. Acoustic and visual signals alert the user to found objects in the wall. Included in the package: L-BOXX 136, Quickstart card.