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A yellow FNIRSI Wall Detector scanner with a black body and battery, showing detection modes and display.
A yellow multifunctional wall scanner detects metal, studs, joists, pipes, and live AC wires behind floors and ceilings.
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A yellow wall detector scanner with a display and buttons is shown against a dark background.
A yellow wall scanner detects various materials including wood, AC wires, and rebar.
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A yellow FNIRSI Wall Detector scanner with a display and buttons, shown next to its base.
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Multifunctional Wall Scanner with Metal, Wood, and Live Wire Detection

Normalpreis $83.99 Sonderpreis $70.99 – $77.99

Darum lieben Kunden es

Find what's behind your wall before you drill

This multifunctional wall scanner detects metal, wood, and live AC wires behind walls, floors, and ceilings, so you can drill and mount with total confidence.

  • Detects metal, wood, and live AC wires at depths up to 100mm, 38mm, and 50mm respectively
  • HPC detection module enhances anti-interference and increases detection accuracy
  • Clear LCD screen displays target depth, material type, and center location
  • Color-coded indicator lights and audible buzzer guide you through detection—green for safe, yellow/red for closer targets
  • Center positioning hole allows for precise marking and drilling right after detection
  • Compact design with automatic shut-off after 5 minutes to save battery
A yellow FNIRSI Wall Detector scanner with a black body and battery, showing detection modes and display.

Why you'll love it

Detect multiple hazards

Find metal, wood, and live AC wires at depths up to 100mm, 38mm, and 50mm respectively, so you know exactly what's behind the surface.

Clear visual feedback

The LCD screen shows target depth, material type, and center location, while color-coded lights and a buzzer guide you—green for safe, yellow/red for closer targets.

Precise marking

The center positioning hole lets you mark and drill right after detection, saving time and improving accuracy.

Battery-friendly design

Automatic shut-off after 5 minutes helps conserve battery life, so the scanner is ready when you need it.

Setup

How to use

No electrician, no wiring, no fuss.

  1. Scan the surface

    Move the scanner slowly across the wall, floor, or ceiling. The LCD screen shows target depth, material type, and center location.

  2. Watch the indicators

    Color-coded lights and an audible buzzer guide you—green means safe, yellow/red means you're getting closer to a target.

  3. Mark and drill

    Use the center positioning hole to mark the exact spot, then drill or mount with confidence.

Specs

The details that matter

Built to last outdoors, season after season.

Product Type
Wall Scanner
Detection Depth
Metal 100mm, Wood 38mm, Live Wire 50mm
Display
LCD
Power
Battery (automatic shut-off after 5 minutes)
Model
WD-01, WD-02

Unser sorgloses Einkaufsversprechen

Wenn Ihre Bestellung beschädigt, defekt oder nicht wie beschrieben ankommt, kontaktieren Sie uns innerhalb von 14 Tagen — wir sorgen mit Ersatz oder Erstattung für Abhilfe.

Frequently asked questions

Everything you might want to know before you order.

What can this wall scanner detect?

It detects metal, wood, and live AC wires at depths up to 100mm, 38mm, and 50mm respectively.

How do I know where the target is located?

The clear LCD screen displays target depth, material type, and center location, while color-coded indicator lights and an audible buzzer guide you—green for safe, yellow/red for closer targets.

Can I mark the exact spot to drill?

Yes, the center positioning hole allows for precise marking and drilling right after detection.

How does the scanner save battery?

It has a compact design with automatic shut-off after 5 minutes to save battery.

What models are available?

This wall scanner is available in models WD-01 and WD-02.

Versand & Rückgabe

Versand

  • Lieferung nach Vereinigte Staaten (basierend auf Ihrem gewählten Land/Region).
  • Voraussichtliche Lieferzeit: 3–15 Werktage nach Versand.
  • Versandkosten: Kostenlos.

Rückgabe

Sie können innerhalb von 14 Tagen nach Lieferung eine Rückgabe anfragen. Für Standardrückgaben fällt eine pauschale Rückversandgebühr von 4,00 € EUR (ca. 4,66 $ USD) an, die von der Rückerstattung abgezogen wird. Der Rückversand ist kostenlos, wenn der Artikel beschädigt, defekt oder falsch geliefert wurde. Artikel sollten unbenutzt und nach Möglichkeit in Originalverpackung sein. Kontaktieren Sie uns vor dem Rückversand.

  • 5 stars: 28 (93%)
  • 4 stars: 2 (7%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
J
Jimmy Lehner

The device arrived in perfect condition, very well packaged, containing 1 case, 1 charging cable, 1 manual. I am very satisfied with this purchase; it arrived a week before the expected date. The device is very nice, I did some tests and it is working perfectly.

N
Nicolasa Hintz

Use a wood detector to locate wiring; the energy detector does not work on masonry.

S
Sherwood Hodkiewicz

FNIRSI - SUPER, after the test I will write if there is a video? I will make YOU PROSPEROUS!!!

J
Jeanetta Block

A really cool item, I found the wiring without any problems. Definitely worth the money!

N
Nora Kemmer

An acceptable device, not as accurate as required but it serves the purpose of searching for metals and electrical wires.

B
Bridgett Hoppe

A good detector, tested it, everything works, it detects the wiring correctly. I was pleasantly surprised by the reliable packaging in foam, delivery was very fast. Thank you to the seller, I recommend the product and the official store.

V
Vivienne Gottlieb

It really works, I highly recommend it, I'm very satisfied.

C
Chad Gutmann

I highly recommend it.

L
Lura Zboncak

It works, is accurate, and comes well packaged. It comes with a belt clip so you can carry it when you need to take measurements, as well as for storage and transport.

M
Marcelo Green

Excellent product!
It was very well packaged (foam container, bubble wrap, factory packaging). 👍
It performed well in the work as well.

B
Belia Johnson

Hidden steel frames and power cables detection works just fine, accuracy is quite high.
The packaging was super reliable, even a bit excessive in my opinion.

R
Rufus Braun

Delivered quickly to Kyiv. In reinforced concrete, it detects rebar at a minimum sensitivity in a 10 cm strip, requiring a little adjustment to find the center point. Live cables and wiring in reinforced concrete structures are detected flawlessly. The battery charge upon receipt was 60%. The detector is excellent + comes with a case.

K
Kristyn Ankunding

It works very well for locating electro-welded rods and mesh, as well as detecting water pipes and cables in the foreign materials mode. As for detecting live cables, it doesn't do it very well, but I only tested it with very low power consumption and embedded in concrete. In a test I did with a connected USB-C and under a piece of cardboard, it did detect it correctly. I recommend it 100%; it's a great help to avoid drilling in columns and through concrete.

G
Garth Hand

Product as advertised. Can assist in detecting water pipes by selecting the wood function.

K
Kieth Labadie

Good detector, high sensitivity, need to reduce the sensitivity for more accurate metal detection.

B
Brant Walker

The package arrived quite quickly and my initial impression as well as my subsequent impression remained excellent; it was packaged very securely. Kudos to the seller, the quality of the product is simply superb, the instructions are quite detailed in English, Chinese, and Russian. Personally, I am very satisfied; the seller and the product are trustworthy, I recommend!

W
Wally Jacobi

The packaging is wonderful! many layer of protection for the product. the product itself was in a carton box with plastic wrap which would be safe and waterproof. and the shop still wrapped it with a bubble sheet then put inside a foam box with tape secured the cap. i would rate more than 5 stars for packaging if there were higher options. works great as expected. support english. came with cable charge and user manual

M
Miquel Schowalter

The device arrived very quickly. Thank you to the seller, the scanner matches the description and shows the presence of wiring with an accuracy down to the millimeter. It is better to perform the wiring work with at least a minimal load on the circuit.
I am very satisfied with the example!! !
Thank you to the seller, successful sales!! !

D
Denny Haag

works extra well. highly recommended