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Blue and black Bosch wall detector with digital screen, red button, and carrying case, includes two AA batteries.

Bosch GMS 120-27 Professional Wall Detector

by Bosch Professional

£116.95from 3 retailers
GTIN04053423255331
EAN4053423255331
MPN0601081700
Prices updated 7 Jun 2026

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Product Description

Drill with confidence using the Bosch GMS 120-27 Professional wall scanner, a reliable tool for fast, accurate detection of hidden objects behind walls. Designed for simplicity and precision, this intuitive scanner identifies metals (magnetic and non-magnetic), live wires, and wooden studs in drywalls. With clear signal indication on the display and a color-coded marking hole, it’s easy to pinpoint and mark detected objects with accuracy. Simple mode selection makes operation straightforward, while the robust design, featuring IP54 protection against dust and water, plus a shock-absorbing rubber casing, ensures durability on tough job sites. Ideal for professionals working on renovations, installations, or interior fittings, the GMS 120-27 is essential for tasks like mounting cabinets, kitchen units, HVAC systems, or sprinkler installations. Features and Benefits • Gives you confidence by detecting metal, live wires, and wooden studs behind walls • Easy to use with simple mode selection and marking hole • Built for operation on touch job sites thanks to shock absorbing rubber casing and IP54 Specifications • Battery Voltage: 3.7v • Power Supply: 2 x 1.5v LR6 AA, 2 x 1.2v HR6 AA, 1 x BA3.7v 1ah Li-Ion • Max Detection Depth: 120mm • Detection Depth, Magnetic Metal, Max: 100mm • Detection Depth, Non-Magnetic Metal, Max: 120mm • Detection Depth, Live Cables, Max: 50mm • Detection Depth, Wooden Substructures, Max: 30mm • Dust and Splash Protection: IP54 • Approx Weight: 0.29kg Contents • Bosch GMS 120-27 Professional Wall Detector • No Li-Ion Battery • 2 x 1.5v LR6 AA Batteries • No Case • Pouch

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