If you’re looking for the non-contact voltage detector you’re in the right place. We spent a lot of time reviewing best non-contact voltage detector to come up with the Ten that we think stand apart from the pack in style, functionality, and value. In this guide, we have reviewed all the products and generated the best options available today for you.
We analyzed and compared 33 non-contact voltage detector sold for nearly 33 hours, and considered the opinions of 586 consumers. Following our last update, our favorite model is the Auroland Non-Contact Voltage Tester with 9 Gear Adjustable Sensitivity Voltage Detector AC Circuit Tester Tool LCD Display LED Flashlight Buzzer Alarm Range12V-1000V & Live/Null Wire Judgment AC1. However, if you don’t want to spend extra then we have another vast option for you is Klein Tools NCVT3P Dual Range Non Contact Voltage Tester, 12 – 1000V AC Pen, Flashlight, Audible and Flashing LED Alarms, Pocket Clip.
Below is a review of some of the best non-contact voltage detector together with their extra features and functions. Wanna find the Top non-contact voltage detector? Read the below list right the way.
Best non-contact voltage detector

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Klein Tools NCVT1P Voltage Tester, Non-Contact Low Voltage Tester Pen, 50V to 1000V AC, Audible and Flashing LED Alarms, Pocket Clip
Klein Tools NCVT1P Voltage Tester, Non-Contact Low Voltage Tester Pen, 50V to 1000V AC, Audible and Flashing LED Alarms, Pocket Clip
6 used from $17.49
Features
- NON-CONTACT DETECTION of AC voltage in cables, cords, circuit breakers, lighting fixtures, switches, non-tamper-resistant outlets, and wires
- VISUAL AND AUDIBLE INDICATORS of voltage detection with a high intensity, bright red LED, and an audible tone
- BROAD APPLICATION with a 50 to 1000V AC power detection range
- CONSERVE BATTERIES with auto power-off function
- LIGHTWEIGHT AND DURABLE compact design with a convenient clip fits securely in pocket; 6.6-Foot (2 m) drop protection
KAIWEETS Voltage Tester/Non-Contact Voltage Tester with Signal Percentage, Dual Range AC 12V/70V-1000V, Live/Null Wire Tester, Electrical Tester with LCD Display, Buzzer Alarm, Wire Breakpoint Finder
KAIWEETS Voltage Tester/Non-Contact Voltage Tester with Signal Percentage, Dual Range AC 12V/70V-1000V, Live/Null Wire Tester, Electrical Tester with LCD Display, Buzzer Alarm, Wire Breakpoint Finder
Features
- SAFETY FIRST: It will send out multiple alarms through sound and light. When the voltage is detected, the tip will send out red light and beep. When the higher the sensed voltage is, or the closer it is to the voltage source, it beeps at a higher frequency and the percentage value will be larger. At the same time, the screen will be red or green, red means high voltage and live wire are detected, green means low voltage and null wire are detected
- NON-CONTACT: With NCV inductive probe for AC voltage; Just place the tip near a terminal strip, outlet, or supply cord. When the tip glows red and the pen beeps, you know there's voltage present. The live wire detector can automatically detect the live or neutral wire. Ideal for breakpoint Test. Handy circuit tester for electricians, homeowners
- DUAL RANGE: Detects standard and low voltage (12-1000V AC / 70-1000V AC) for more sensitive and flexible measurements. Press the S button to adjust sensitivity and adapt low range for doorbells, thermostats, irrigation wiring etc.; The NCV sensor automatically recognizes the voltage and displays it on the bar graph, and the percentage value can display the voltage signal intensity more intuitively
- SECURITY LEVEL: IEC rated CAT III 1000V CAT IV 600V, Meets CE requirements; The electrical tester is safely double insulated. High Voltage Alert to warn you of voltage above 90V, the screen turn red and the safety symbol on the screen shines
- COMPACT DESIGN: Bright LED flashlight for work in dim ares; Low-Power-Indicator when battery voltage is below 2.5V; Automatic Power Off after 5 minutes without operation or signal detection; Pocket-sized, pen hook allows you to carry it in your shirt pocket. We provide 36-Month after sale service, Please feel free to contact us if you have any concerns
Fluke 1AC II VoltAlert Non-Contact Voltage Tester, Pocket-Sized, 90-1000V AC, Audible Beeper, 2 Year Warranty, CAT IV Rating, Packaging May Vary
Fluke 1AC II VoltAlert Non-Contact Voltage Tester, Pocket-Sized, 90-1000V AC, Audible Beeper, 2 Year Warranty, CAT IV Rating, Packaging May Vary
Features
- Be aware of voltage easily - the tip glows red and a beeper sounds when voltage is detected
- Continuous self-test so you always know it’s working
- Voltage detection range for wide application use - 90 V to 1000 V AC or 200 V to 1000 V AC
- Audible/Silent mode for added convenience
Klein Tools NCVT3P Dual Range Non Contact Voltage Tester, 12 – 1000V AC Pen, Flashlight, Audible and Flashing LED Alarms, Pocket Clip
Klein Tools NCVT3P Dual Range Non Contact Voltage Tester, 12 - 1000V AC Pen, Flashlight, Audible and Flashing LED Alarms, Pocket Clip
6 used from $25.66
Features
- VERSATILE VOLTAGE DETECTION: This Voltage Tester offers non-contact detection of low voltage in security, entertainment, communications, environmental control, and irrigation systems
- VISUAL AND AUDIBLE INDICATORS: The tester detects voltage with both visual and audible indicators, providing simultaneous feedback for accurate voltage identification
- BRIGHT FLASHLIGHT: Equipped with a bright flashlight, this tester illuminates the work area, allowing for enhanced visibility. The flashlight can also be used independently of the voltage detection function
- GREEN LIGHT INDICATOR: A green light indicates no voltage, providing a clear indication when no voltage is present
- LIGHTWEIGHT AND COMPACT: With its lightweight and compact design, this tester is easy to carry and features a pocket clip for convenient storage and quick access
Auroland Non-Contact Voltage Tester with 9 Gear Adjustable Sensitivity Voltage Detector AC Circuit Tester Tool LCD Display LED Flashlight Buzzer Alarm Range12V-1000V & Live/Null Wire Judgment AC1
Auroland Non-Contact Voltage Tester with 9 Gear Adjustable Sensitivity Voltage Detector AC Circuit Tester Tool LCD Display LED Flashlight Buzzer Alarm Range12V-1000V & Live/Null Wire Judgment AC1
Features
- [Non-contact AC Voltage Tester]: This test pen has NCV sensor, you can detect the presence of AC voltage by simply pressing the power switch and bring the probe of the test pen close to the power socket or live line.
- [Alarm function]: When the AC voltage is detected, the sensor indicator lamp of the tester blinks. The test pen lights up the corresponding signal strength indicator depending on the detected signal strength. Two red lights, two green lights and one green light respectively indicate high, medium and low signal strength, and the buzzer sounds different alarms.
- [Adjustable Measurement Range]: The HANMATEK non-contact AC tester can adjust the gear in 9 steps, and the detection range can be freely switched between 12-1000v and 90-1000v.
- [With Lighting Function]: With an LED flashlight function that is convenient for use in the dark, it can also be used as an emergency light in an emergency.
- [Auto Power off Function]: If there is no operation within 3 minutes and the test pen does not detect the AC voltage, the test pen will shut down automatically. The package is equipped with a contactless stylus, a manual, and two 1.5V AAA batteries.
VENLAB Voltage Tester, Non Contact Voltage Detector, Circuit Tester Dual Range Voltage Sniffer 12V-1000V/48V-1000V, Live Wire Tester with Alarm and Flashlight, Electrical Tester with LCD Display
VENLAB Voltage Tester, Non Contact Voltage Detector, Circuit Tester Dual Range Voltage Sniffer 12V-1000V/48V-1000V, Live Wire Tester with Alarm and Flashlight, Electrical Tester with LCD Display
Features
- 【NCV】Non contact voltage tester provides the easiest and safest way of checking for electrical current in a wire, outlet, switch or lamp that has mysteriously stopped working.
- 【High&Low Sensitivity】Switch sensitivity mode between “High” and “Low” based on your needs at work. “High” for Testing 12V-1000V, “Low” for Testing 48V-1000V
- 【Visible&Audible Alarm】The tip glows in red and beeper sounds at high frequency when high voltage is detected while yellow light and low frequency beep indicate low voltage.
- 【Flashlight&Red Pointing Light】Built-in flashlight brings you convenience when working in dark or encounter power blackout. Red pointing light can be used to point at something at job sites.
- 【Customer Service】 3 years warranty and lifetime technical support are available on our non-contact voltage sniffer. We encourage you to contact us if there are any questions
Southwire 40116N Non-Contact AC Voltage Detector
Southwire 40116N Non-Contact AC Voltage Detector
Features
- Southwire Pen style voltage tester
- AUDIBLE AND VISUAL INDICATION of AC voltage from 100-600V AC
- INCREASED BATTERY LIFE: the auto power off feature increases the battery life by powering off after 5 minuets of inactivity
- Green LED indicates tester is ready for use
- BUILT-IN FLASHLIGHT: this non contact AC voltage detector features a built-in flashlight for user convenience in dim lightingQUICKLY checks for the presence of live voltage on outlets; wiring; circuit breakers; lighting fixtures and switchesCAT IV 600V SAFTEY RATING; UL and CUL listedNot designed for use with Tamper Resistant (TR) outlets
2 Pack Non-Contact Voltage Detector, Voltage Tester Electrical Tester, AC 12V/48V/70V-1000V, Wire Tester with Buzzer Alarm and Flashlight, Wire Breakpoint Finder, Orange & Red
2 Pack Non-Contact Voltage Detector, Voltage Tester Electrical Tester, AC 12V/48V/70V-1000V, Wire Tester with Buzzer Alarm and Flashlight, Wire Breakpoint Finder, Orange & Red
Features
- 【Non-contact Voltage Tester】 Ranging 12-1000V AC, You can easily distinguish the live and null wire through different level of alarm sound and LED indicator.
- 【Safe and Convenient】The voltage pen tester detectes voltage in a non-contact way, which provides you with the easiest and safest way to check the voltage in a wire, outlet, circuit breakers, lighting fixtures or switch.
- 【3 Buzzer Modes】The live wire voltage tester is designed with 3 buzzer modes that suit for different voltage detection ranges. When voltage is detected, the signal indicator LED lights in the tester pen will shine.
- 【Versatile】Built with detection light and tail flashlight, the electrical tester also work as an emergency flashlight that can illuminate in a dark working place. The tail flashlight can only be turned on when the tester is off
- 【Compact Size】The pocket-sized circuit tester pen comes with a convenient pen hook that makes it easy to carry in your shirt pocket.
Klein Tools NCVT-4IR Non-Contact Volt Tester, 12 – 1000V AC Pen with IR Thermometer -22 to 482 deg F, LED and Audible Alarms, Pocket Clip
Klein Tools NCVT-4IR Non-Contact Volt Tester, 12 - 1000V AC Pen with IR Thermometer -22 to 482 deg F, LED and Audible Alarms, Pocket Clip
$37.87 in stock
4 used from $29.57
Features
- Voltage Tester designed specifically for HVAC applications
- Non-Contact Voltage Tester provides non-contact determination of AC voltage in cables, cords, circuit breakers, switches, outlets and wires, and AC voltage in security, entertainment, communications, environmental control, and irrigation systems
- Detects AC voltage from 12 to 1000V with visual and audible indicators
- 4:1 distance-to-spot ratio IR thermometer with user selectable Degrees Fahrenheit or Degrees Celsius from -22 to 482-Degree Fahrenheit (-30 to 250-Degree Celsius)
- Convenient laser pointer to target measurement area for temperature measurement
Klein Tools NCVT-5A Voltage Tester, Non-Contact Dual Range Voltage Tester Pen with Integrated Laser Pointer and Visual and Audible Alerts
Klein Tools NCVT-5A Voltage Tester, Non-Contact Dual Range Voltage Tester Pen with Integrated Laser Pointer and Visual and Audible Alerts
$24.99 in stock
4 used from $23.65
Features
- VERSATILE DETECTION: Non-Contact Voltage Tester automatically detects AC voltage in cables, cords, circuit breakers, lighting fixtures, switches, non-tamper-resistant outlets and wires
- CLEAR INDICATION: Bright LED illuminates green to indicate tester is operational and flashes red or blue and emits a beeping alert when voltage is detected
- DUAL OPERATING RANGE: With a power operating range of 12 to 1000V AC for low voltage and 70 to 1000V AC for standard voltage applications
- INTEGRATED LASER POINTER: The tester features a bright laser pointer for easy identification of objects of interest at a distance on the jobsite
- BATTERY SAVING FEATURE: Auto-power off after inactivity helps conserve battery life, extending the device's usability
This guide identifies some of the best non-contact voltage detector currently on the market and also includes an in-depth buying guide to help you make the right decision. If you didn’t find your desired one check out the Southwire 40116N Non-Contact AC Voltage Detector is also the most sold item in the market. If you feel that the information provided here is misleading, incorrect, or is removed from actual facts, then please do not hesitate to get in touch with us. We will always be there for you.