Technical Specifications Maximum Detection Depth: 120 mm Magnetic Metal Detection: Up to 120 mm Non-Magnetic Metal Detection: Up to 80 mm Live Cable Detection: Up to 50 mm Wooden Substructure Detection: Up to 38 mm Detection Modes: Drywall, Metal, Live Cable Automatic Calibration: Yes Center Finder: Yes Display: Illuminated display LED Ring: 3-colour detection indication Protection: IP54 Power Supply: Battery Weight: Approx. 0.14 kg Laser Class: Class 2 Laser Wavelength: 635 nm Operating Temperature: −10°C to +50°C Bosch's India catalogue lists the GMS 120 with detection depths of 120 mm for magnetic metal, 80 mm for non-magnetic metal, 50 mm for live cables and 38 mm for wooden substructures, plus three detection modes and IP54 protection. Description Wall Scanner Bosch GMS 120 Professional is a reliable multi-detector designed to locate metal objects, wooden studs and live electrical cables behind walls, ceilings and floors. It features automatic calibration, Center Finder technology, a three-colour LED ring and an illuminated display for clear detection results. With detection depths of up to 120 mm, it is suitable for professional drilling and installation work. Ideal for: Wall scanning, drilling preparation, detecting electrical cables, locating metal pipes, finding wooden studs, construction, renovation, plumbing and electrical installation.