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Item #:
221957564
BOSCH GMS120-27 Professional Wall Scanner, Multi-Function Stud Finder, and Live Wire Detector for Electricians, Plumbers & Contractors, Wall Detector
Item #:
221957564
TTD 710
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
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19%
In stock
Imported from USA store
Order now and get it around Friday, August 07
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The BOSCH GMS 120 Wall Scanner is essential for seeing through walls with multi-mode detection for wood, metal, and live wiring.
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What Stands Out
Multi-Functionality
Combines stud finding, live wire detection, and moisture sensing in one compact device, saving professionals time and enhancing efficiency during installation or repairs.
User-Friendly Display
Equipped with an intuitive LCD screen that provides clear visual indicators, ensuring easy interpretation of findings for electricians, plumbers, and contractors.
Durable Design
Built to withstand tough job site conditions, the BOSCH GMS120-27 ensures reliability and longevity, making it a valuable tool for professionals in the construction industry.
Product Details
- PRO-GRADE MULTI-FUNCTION DETECTION: Stop guessing, start knowing with this stud finder wall scanner that accurately locates wood studs, metal framing, copper pipes, and live AC electrical wiring behind drywall, saving you from costly mistakes
- ESCANER DE PARED PROFESIONAL: El detector de madera en paredes definitivo para el profesional. Encuentra madera, metal y cables eléctricos con corriente con precisión y confianza. La herramienta esencial para electricistas, plomeros y contratistas.
- ABSOLUTE PRECISION & CONFIDENCE: This wall stud finder helps find the exact center of the stud. The easy-to-read graphical display and color-coded marking ring for clear, confident feedback, turning green for "safe" and red for "live wire detected"
- THE ULTIMATE SCANNER FOR PROS: The wood stud finder provides the reliability & multi-material detection that electricians, plumbers, remodelers, & installers demand; it's an investment in accuracy, safety, and efficiency that pays for itself
- WHAT'S INCLUDED: Your kit contains (1) GMS120-27 metal stud finder, (2) AA Batteries for immediate power, and (1) protective soft pouch
- DUAL POWER FOR ZERO DOWNTIME: This stud detector offers power flexibility, running on the included AA batteries for immediate use or on a BOSCH 3.7V Li-Ion battery sold separately for extended, rechargeable performance, a must-have for any pro
- BUILT FOR THE PROFESSIONAL JOBSITE: Cheaper tools fail; this BOSCH stud finder works. Made with an IP54-rated dustproof and water-resistant body and shock-absorbing rubber casing to withstand daily abuse on a construction site, garage, or workshop
| Measurement Accuracy | 0.0625 |
| Material Type | Plastic |
| Style Name | Industrial |
| Item Dimensions | 7.32 x 3.4 x 1.3 inches (18.6 x 8.6 x 3.3 cm) |
| Item Weight | 0.86 Pounds (390 grams) |
| Brand Name | Bosch |
| Model | GMS120-27 |
| UPC | 000346817638 |
| Manufacturer | BOSCH |
| Part Number | GMS120-27 |
| Item Type Name | Detection Tools |
| Included Components | (1) GMS120-27 Wall Scanner, (2) AA Batteries, (1) Soft Pouch |
| Unit Count | 1.0 Count |
| Brand | Bosch |
| Item dimensions L x W x H | 7.32 x 3.4 x 1.3 inches (18.6 x 8.6 x 3.3 cm) |
| Material | Plastic |
| Style | Industrial |
What's in the box
(1) GMS120-27 Wall Scanner, (2) AA Batteries, (1) Soft Pouch
Who Should Buy?
-
Electricians
Ideal for electricians needing to locate wires and studs behind walls accurately and efficiently.
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Plumbers
Plumbers can benefit from detecting pipes and live wires to avoid accidents during installations and repairs.
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Contractors
General contractors will find this tool useful for planning renovations while ensuring safety and precision in wall projects.
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DIY Beginners
Less experienced users may struggle with the advanced features and settings of this professional-grade tool.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What types of materials can the BOSCH GMS120-27 Wall Scanner detect?
Answer: The BOSCH GMS120-27 Wall Scanner is designed to detect various materials behind walls, including wood, metal, and live wires. This multifunctionality is crucial for safely locating hidden structures and utilities within walls prior to drilling or remodeling. The scanner utilizes advanced sensing technology to identify these materials, helping users avoid accidents and damage during home improvement projects, such as mounting shelves or installing wires. -
Question:
How accurate is the BOSCH GMS120-27 in detecting objects behind walls?
Answer: The BOSCH GMS120-27 offers impressive accuracy due to its precision sensors, which can detect objects up to 4 inches deep, depending on the material. This accuracy reduces the risks associated with hitting pipes or electric wiring during drilling. Users often find it beneficial when conducting renovations or repairs, ensuring safe depth detection of wooden studs, metal rebar, and electrical cabling, which helps ensure secure installation without any hazards. -
Question:
Does the BOSCH GMS120-27 come with a warranty?
Answer: Yes, the BOSCH GMS120-27 typically comes with a manufacturer’s warranty, which varies based on the point of purchase. This warranty ensures that you can receive repairs or replacements should there be any manufacturing defects. It’s advisable to check the warranty details when purchasing or review the specific terms on Bosch's official website to understand coverage, especially if you're planning to use it extensively for home projects. -
Question:
Is the BOSCH GMS120-27 easy to use for beginners?
Answer: Absolutely! The BOSCH GMS120-27 is user-friendly, featuring intuitive interface buttons and a clear LCD display that guides users through the scanning process. Beginners will appreciate the simple operation, which doesn't require professional skills; just power the device, select the relevant mode (wood, metal, or live wire), and move it along the wall. It's ideal for DIY home improvement enthusiasts who want to ensure safe installation without complex tools. -
Question:
How does the live wire detection work in the BOSCH GMS120-27?
Answer: The live wire detection feature uses electromagnetic sensing technology to identify electrical wiring within walls. When scanning, the device detects the electromagnetic field emitted by live wires, which are then indicated on the LCD display. This capability is crucial for preventing electrical hazards during renovations or small repairs, such as drilling for new fixtures, ensuring that you avoid hitting any live wires that might be concealed. -
Question:
Can the BOSCH GMS120-27 identify the distance of the detected items?
Answer: Yes, the BOSCH GMS120-27 not only detects items but also displays their depth on the LCD screen. This precision is beneficial for users who need to know how deep to drill or where to secure anchors. For example, if you're installing heavy mirrors or large shelves, knowing the exact location and depth of studs or wires helps ensure a secure installation without unnecessary damage. -
Question:
What features enhance the usability of the BOSCH GMS120-27 Wall Scanner?
Answer: The BOSCH GMS120-27 includes several features that enhance its usability, such as multiple scanning modes for different materials, a battery life indicator, and a compact design for easy handling. The combination of these features ensures that users can quickly switch between modes based on their project needs. Whether you're performing a simple task or an extensive renovation, these thoughtful innovations ensure high performance and convenience. -
Question:
What is the battery life of the BOSCH GMS120-27?
Answer: The BOSCH GMS120-27 is powered by two AA batteries, which are included with your purchase. The device is designed for energy efficiency, allowing for extended usage between battery changes. Users typically find that they can complete multiple projects without needing to replace the batteries frequently, making it an economical choice for those regularly engaged in home improvement activities or professional use. -
Question:
How can I ensure accurate readings with the BOSCH GMS120-27?
Answer: To ensure accurate readings with the BOSCH GMS120-27, it’s recommended to hold the device flat against the wall and move it slowly for the most reliable detection. Regular calibration and avoiding surfaces with a heavy texture can also improve accuracy. Practicing on less critical walls before working on important tasks, like locating studs for heavy fixtures, can provide better confidence in the readings provided during actual projects. -
Question:
Where can I buy the BOSCH GMS120-27 Wall Scanner and Stud Finder in Trinidad and Tobago?
Answer: You can purchase the BOSCH GMS120-27 Wall Scanner and Stud Finder from Ubuy in Trinidad and Tobago. Ubuy offers a reliable shopping experience, ensuring that you receive quality products along with customer support. With easy navigation and multiple shipping options, Ubuy provides a convenient platform for all your home improvement tool needs.
Bosch Stud Finders Editorial Review
** Bosch GMS 120 Stud Finder** The Bosch GMS 120 Stud Finder presents a mixed bag of experiences among its users. While some customers praise its overall functionality and reliability in detecting various objects, including metal and live wiring, others express frustration with its stud-finding capabilities. Many users who expected the GMS 120 to fulfill its primary role of locating wooden studs found it underwhelming. Critics complain that the tool frequently misidentifies materials behind walls, providing false readings and causing confusion for users who are attempting to identify the location of studs accurately. Several reviews indicate that while the GMS 120 performs well in identifying metal and electrical wiring, it fails at its core function of detecting wooden studs with precision. Users expressed that the tool's indicator system—commonly lit in red for positive readings—can be misleading. Many felt that the distinction between different types of objects was unclear and resulted in a lack of confidence when trying to drill or fasten through walls. However, it's worth noting that some professionals found the device useful for specific trades, like plumbing or electrical work, where knowledge of hidden pipes or wires is more critical than the exact location of studs. Despite its capabilities in those areas, homeowners and DIY enthusiasts looking to complete basic carpentry tasks might be better served by alternative options in the market that focus on stud detection with higher accuracy. In summary, the Bosch GMS 120 may appeal to professionals needing to avoid hazards behind walls, but it lacks the reliability and user-friendly design necessary for straightforward stud finding. Its premium price point coupled with disappointing performance in finding wooden studs leaves much to be desired for those seeking essential home improvement tools. **
Customer Reviews & Ratings
300 customers ratings
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5 Star
51%
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4 Star
11%
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3 Star
10%
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2 Star
5%
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1 Star
23%
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Pros
- Robust and durable Construction, expected from Bosch.
- Effective at detecting metal objects and electrical wiring.
- Pairs well with specific trade needs (plumbing, electrical).
Cons
- Inaccurate in locating wooden studs.
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
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Leila
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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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Features & Benefits
- Multi-mode detection for wood, metal, and live wiring.
- Illuminated ring for easy status indication: green, orange, red.
- Automatic center finder for precise locating.
- User-friendly illuminated graphical display.
- Audible detection signal for added convenience.
- Includes essential accessories like a 9V battery and hand strap.
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