Technical Specifications Detection Depth: Up to 120 mm Detection Technology: Radar Detectable Materials: Metal, water-filled plastic pipes, wood and live/non-live electrical cables Detection Modes: Drywall, Concrete, Universal Power Source: Bosch 12 V Li-ion battery / 4 × AA batteries Display: LCD Center Finder: Yes Spot Measurement: Yes Automatic Calibration: Yes Protection Rating: IP54 Weight: Approx. 0.5 kg Operating Temperature: −10°C to +50°C Description Wall Scanner Bosch D-tect 120 Professional is a compact radar-based wall detector designed for reliable detection of metal, wood, water-filled plastic pipes and electrical cables behind walls, ceilings and floors. It provides detection up to 120 mm deep and features three detection modes—Drywall, Concrete and Universal—for different construction materials. Its Center Finder and Spot Measurement functions help accurately locate detected objects before drilling or installation work. Ideal for: Wall scanning, detecting pipes, locating electrical cables, finding wooden structures, drilling preparation, plumbing, electrical installation, construction and renovation applications.