Detects metal, live wires and wooden studs behind the wall. Max detection of 120mm. The Bosch Professional GMS 120-27 Multi Detector provides quick and easy detection of metals, live wires, and wooden substructures. It offers confidence through clear information via a color-coded marking hole, center indication, and a display that shows signal strength and material identification. Its a tough tool for tough job sites thanks to IP54 and shock-absorbing rubber casing. Clear detection results for confident drilling through an intuitive display, center indication, and material information. Easy to use for convenient handling, directly mark detection results through the marking hole. Great for HVAC/Plumber, Electrician, Facilities Management. Max detection depth non-magnetic metal: 120mm, Max detection depth magnetic metal: 100mm, Max detection depth live wire: 50mm, Max detection depth wood: 30mm. The Bosch GMS 120-27 Wall Scanner is a precise and dependable tool designed to detect metal, live voltage, and wooden studs hidden behind walls. It is perfect for tradespeople and DIY enthusiasts, offering enhanced safety and efficiency for any project by making the invisible visible. The Bosch GMS 120-27 Professional Detector helps you quickly and accurately locate metal objects, live wires, and wooden studs within walls. This is crucial for increased safety and efficiency when undertaking renovation work, such as installing cabinets, kitchen counters, or plumbing and electrical systems. The detector not only pinpoints the center of the object but also identifies its material type (magnetic/non-magnetic metal, live wire, or non-metallic). Detection is clearly indicated via a signal on the display and a color-coded marking hole, allowing for precise marking and drilling. Built for durability, the GMS 120-27 features IP54 dust and splash water protection and a shock-absorbing rubber casing, making it ideal for demanding job sites. It comes complete with a pouch and batteries. Features: Detects metal, live wires, and wooden studs. Identifies material type (magnetic/non-magnetic metal, live wire, non-metallic). Pinpoints object center with color-coded marking hole. Simple mode selection for ease of use. IP54 dust and splash water protection. Shock-absorbing rubber casing. Includes pouch and 2 x 1.5V LR6 (AA) batteries. Specifications: Power Supply: 2 x 1.5 V LR6 (AA), 2 x 1.2 V HR6 (AA) or 1 x BA 3.7V 1.0Ah Li-ion Battery. Max. Detection Depth: 120mm. Max. Detection Depth Magnetic Metal/Non-magnetic Metal: 100mm/120mm. Max. Detection Depth Live Cables: 50mm. Max. Detection Depth Wooden Substructures: 30mm. Dust and Splash Protection: IP54. Weight: 0.29kg.