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A black MastFUY FY18S non-contact AC voltage tester pen with an LCD display and red switch.
A black non-contact voltage detector pen with an LCD display shown in three views.
A black pen-shaped non-contact voltage detector with an LCD screen, LED light, and various buttons.
A black non-contact voltage detector pen showing features like a high-precision probe, LCD screen, silicone button, and porta
A black non-contact voltage detector pen showing features like a high-precision probe, LCD screen, silicone button, and porta
A black non-contact wire checker pen is shown next to a power outlet, demonstrating live and neutral wire detection.
Two Masfuyi non-contact voltage detector pens demonstrating live point, breakpoint, and dead point detection.
A black non-contact voltage tester pen is shown near a gold electrical outlet.
A black pen-shaped non-contact voltage detector with an LCD screen, LED light, and various buttons.
Black non-contact voltage detector pen with an LCD display and automatic power off feature
A black non-contact voltage tester pen with an LCD display and safety features is shown.
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Non-Contact Voltage Detector Pen with LCD Display

Precio habitual €55,99 Precio de oferta €46,99

This smart voltage tester lets you safely detect AC voltage, locate cable breaks, and identify live wires without making contact — ideal for electricians and DIY enthusiasts. Non-contact AC voltage detection from...

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Detect Live Voltage Safely Without Contact

This smart non-contact voltage detector pen checks AC voltage from 12V to 1000V, locates cable breaks, and identifies live wires — ideal for electricians and DIY enthusiasts.

  • Non-contact AC voltage detection from 12V to 1000V with selectable high/low sensitivity
  • Large LCD screen shows clear readings, supported by audible and visual warnings
  • Breakpoint finder helps locate the exact point of cable interruption
  • Built-in LED flashlight for working in dimly lit areas
  • Measures ambient temperature for added convenience
  • Compact pen-style design with a pocket clip for easy portability
A black MastFUY FY18S non-contact AC voltage tester pen with an LCD display and red switch.

Why You'll Love This Voltage Detector

Safe Non-Contact Detection

Detect AC voltage from 12V to 1000V without touching live wires, with selectable high/low sensitivity for different tasks.

Find Cable Breaks Fast

The breakpoint finder pinpoints the exact location of cable interruptions, saving time on circuit inspections.

Work in Low Light

A built-in LED flashlight illuminates dimly lit areas, while the large LCD screen keeps readings clear.

Portable Pen Design

The compact pen-style body with a pocket clip slips easily into your pocket for on-the-go use.

Configuración

How to Use

  1. Select Sensitivity

    Choose high or low sensitivity to match the voltage level you expect to detect, from 12V to 1000V AC.

  2. Scan the Target

    Hold the detector near outlets, switches, wiring, or cables to sense live voltage without contact.

  3. Locate Breaks & Conserve Power

    Use the breakpoint finder to trace cable interruptions, and rely on auto power-off after 5 minutes to save battery.

Specs

The details that matter

Model Number
FY18S
Product Type
Non-contact voltage detector pen
Voltage Range
12V to 1000V AC
Display
LCD
Power
Auto power-off after 5 minutes

Más detalles

This smart voltage tester lets you safely detect AC voltage, locate cable breaks, and identify live wires without making contact — ideal for electricians and DIY enthusiasts.

  • Non-contact AC voltage detection from 12V to 1000V with selectable high/low sensitivity
  • Large LCD screen shows clear readings, supported by audible and visual warnings
  • Breakpoint finder helps locate the exact point of cable interruption
  • Built-in LED flashlight for working in dimly lit areas
  • Measures ambient temperature for added convenience
  • Auto power-off after 5 minutes to conserve battery life
  • Compact pen-style design with a pocket clip for easy portability

Perfect for checking outlets, switches, wiring, and extension cords around the home or on the job.

Preguntas frecuentes

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Reseñas del producto · Judge.me

Lo que cuentan otros compradores

  • 5 stars: 27 (79%)
  • 4 stars: 6 (18%)
  • 3 stars: 1 (3%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
K
Kattie Bauch

Top 👏

S
Stephani Ward

It's a bit unclear, I'll return it.

F
Francisco Nolan

As a climate control tool, it is very useful as it checks if there is voltage and measures temperature, in addition to distinguishing between phase and neutral cables and indicating 3 levels of voltage, and I believe it even detects if they are unbalanced.

It fails me
The temperature probe should be longer to be able to use it in ducts and, if possible, in the form of a needle instead of the American plug.
The 3 voltage levels do not specify a range in the instructions, for example low below 200V, high above 450V, I will have to test with a regulator.
The high sensitivity is too sensitive, I don't know if it's detecting electromagnetism or static electricity, I'll have to keep testing to use it on embedded cables.

E
Evette Swaniawski

It looks very good, let's try it.

L
Len Turcotte

It's a good product for the price.

R
Ronna Kshlerin

Non-Contact Voltage Detector Pen with LCD Display

R
Royal Tillman

Everything is fine, it works normally.

J
Jonathon Jenkins

Item received fast and works as described

C
Charlott Pfeffer

Description matches the product.
The first tests are really good.

L
Leslee West

Everything is fine, thank you 👍👈

R
Rodney Waters

Just for the purpose of determining whether electricity is flowing or not.

E
Everette Dickens

The package 📦 arrived in good condition and looks great 👍👍👍

I
Inell Lemke

Very useful and practical

C
Cinda Hoppe

Solidly built voltage detector.

F
Farrah Roob

very nice meter

S
Sherice Legros

Super

F
Franchesca Carter

Excellent

J
Johnette Huel

The delivery is made to the same address, but it cannot be left in the elevator, because if I don't receive a notification through the intercom, anyone could take it.

A
Alpha Kautzer

It's a nice device. It's just that I'm now scared by how many electromagnetic waves are around me. On high sensitivity mode, it beeps practically all the time inside my work space. It works properly. I recommend buying it.

S
Sonya Wintheiser

Useful, but it's difficult to remove the batteries because they get stuck easily. Despite that, it's a good product.

W
Wynell Durgan

It's easy to use and detects well.

R
Rufina Murazik

Mazion arrived on time

M
Mack Gislason

The product matches the description.

R
Roberto Quigley

It works well. It's good.

D
Darin Bode

Item matches the description.

S
Stanford Aufderhar

Everything arrived very quickly. The product corresponds to reality, everything is of high quality and works well!

C
Casandra Turcotte

Works well, and very senstive.

C
Connie Bruen

Work fine

M
Mac Lemke

It works. Not very precious but enough to check power wires