The Bosch GMS 120-27 Professional wall scanner allows uncomplicated and intuitive detection of objects. Detection results appear via signal indication on the display and the colour-coded marking hole. The easy-to-use detector offers simple mode selection, and you can mark exactly through the marking hole where objects have been detected. The robust GMS 120-27 was developed for tough job sites with IP54 dust and splash water protection, plus a shock-absorbing rubber casing. It helps you detect and locate metals, live wires, and wooden studs in dry walls. Locating objects in walls before drilling provides increased safety on the job, especially during renovation work when fitting cabinets, kitchen counters, washbasins, heating systems, or installing A/C and sprinkler systems. Scanner identify the centre of the detected object, it also indicates its material characteristics such as whether the object is magnetic or non-magnetic metal, a live wire, or non-metallic