**Bosch GMS 120-27 Professional** **Professional Wall Scanner for Detecting Metal, Live Wires and Wooden Structures** The Bosch GMS 120-27 Professional is a reliable and easy-to-use wall scanner designed to detect hidden objects before drilling and installation work. It detects magnetic and non-magnetic metals, live wires, and wooden structures. ### Technical Specifications * **Model:** Bosch GMS 120-27 Professional * **Type:** Wall scanner / detector * **Maximum detection depth:** up to **120 mm** * **Magnetic metals:** up to **100 mm** * **Non-magnetic metals:** up to **120 mm** * **Live wires:** up to **50 mm** * **Wooden structures:** up to **30 mm** * **Detectable materials:** iron, copper and other metals, wooden structures, live electrical wires * **Material detection:** magnetic metal, non-magnetic metal, live wire, non-metallic material * **Protection rating:** IP54 * **Power supply:** 2 × 1.5 V LR6 (AA) or 2 × 1.2 V HR6 (AA) * **Alternative power supply:** 3.7 V, 1.0 Ah Li-Ion battery * **Weight:** approx. **0.29 kg** * **Additional feature:** marking hole ### Key Features **Reliable detection:** Helps locate hidden objects inside walls before drilling, reducing the risk of damaging electrical wires, pipes and metal structures. **Easy operation:** Simple controls and clear detection indicators make the scanner convenient for professional and everyday applications. **LED indicator:** The color-coded LED indicator provides a quick visual indication when an object is detected. **Acoustic signal:** An audible warning helps identify the location of detected objects. The sound can be switched off when required. **Marking hole:** After locating an object, its position can be marked precisely through the dedicated marking hole. **Robust construction:** Shock-absorbing rubber protection and IP54 protection make the detector suitable for demanding construction environments. ### Applications The Bosch GMS 120-27 Professional is ideal for: * Drilling walls and ceilings * Installing cabinets and kitchen furniture * Installing sinks and water heaters * Heating system installation * Air-conditioning installation * Electrical installation * Locating hidden electrical wires * Detecting metal pipes and structures * Locating wooden structures inside walls * Construction and renovation work ### Package Contents Depending on the version: * Bosch GMS 120-27 Professional * 2 × AA batteries * Carrying bag A version with a **3.7 V, 1.0 Ah Li-Ion battery and USB-C cable** is also available. **Bosch GMS 120-27 Professional — a compact and reliable wall scanner for safe drilling and precise detection of hidden objects.**