--- product_id: 447595534 title: "Voltage Tester/Non Contact Voltage Tester 12-1000V/48-1000V Adjustable Sensitivity AC Voltage Detector Tester Pen Live/Null Wire Tester with LCD Display Buzzer Alarm Wire Breakpoint Finder" brand: "neoteck" price: "$26.11" currency: USD in_stock: true category: "Neoteck" url: https://www.desertcart.us/products/447595534-voltage-tester-non-contact-voltage-tester-12-1000v-48-1000v store_origin: US region: United States of America --- # 12-1000V adjustable sensitivity Clear LCD live/null wire display Built-in LED flashlight for dark spots Voltage Tester/Non Contact Voltage Tester 12-1000V/48-1000V Adjustable Sensitivity AC Voltage Detector Tester Pen Live/Null Wire Tester with LCD Display Buzzer Alarm Wire Breakpoint Finder **Brand:** neoteck **Price:** $26.11 **Availability:** ✅ In Stock ## Summary > ⚡ Stay powered, stay safe — the voltage tester that’s always a step ahead! ## Quick Answers - **What is this?** Voltage Tester/Non Contact Voltage Tester 12-1000V/48-1000V Adjustable Sensitivity AC Voltage Detector Tester Pen Live/Null Wire Tester with LCD Display Buzzer Alarm Wire Breakpoint Finder by neoteck - **How much does it cost?** $26.11 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/447595534-voltage-tester-non-contact-voltage-tester-12-1000v-48-1000v) ## Best For - neoteck enthusiasts ## Why This Product - Trusted neoteck brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact & Portable Design:** Pocket-sized with pen clip and automatic power-off to keep you ready on the go without battery drain. - • **Non-Contact Safety Detection:** Identify live and null wires without touching, with audible buzzer and visual alerts for ultimate safety. - • **Quick Wire Breakpoint Finder:** Pinpoint electrical faults fast using high-sensitivity mode—perfect for pros and DIYers alike. - • **Bright LED Flashlight Included:** Illuminate dim workspaces instantly, ensuring no detail is missed during critical testing. - • **Dual Voltage Sensitivity Modes:** Switch effortlessly between 12-1000V and 48-1000V for precise detection in any environment. ## Overview The Neoteck Voltage Tester NTK139 is a CE CAT III600V certified, dual-range AC voltage detector with adjustable sensitivity from 12-1000V and 48-1000V. Featuring a non-contact inductive probe, it safely identifies live and null wires with clear LCD readouts and buzzer alarms. Its quick breakpoint finder function and built-in LED flashlight make it an indispensable tool for electricians, DIY enthusiasts, and homeowners. Compact, battery-powered, and RoHS certified, it combines precision, safety, and convenience in one sleek pen-sized device. ## Description Neoteck Voltage Tester/Non Contact Voltage Tester 12-1000V/48-1000V Adjustable Sensitivity AC Voltage Detector Tester Pen Live/Null Wire Tester with LCD Display Buzzer Alarm Wire Breakpoint Finder | Identifies Live and Null Wires with Audible and Visual Alarm ,Flashlight for Outlets,Circuit Breakers,Breakpoint Finder-Grey - desertcart.com ## Features - 【CE CAT III600V RoHS Certificate Voltage Tester】 Neoteck professional AC voltage detector 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, perfectly suitable for DIY'ers, hobbyists and homeowners, which helps you make the First and the Most Important Safety Check.( Note Please:Not Suitable for DC Powered Christmas Light Testing) - 【Dual Range Electrical Tester】The 2022 upgraded circuit tester’s default mode is 48-1000V(Low Sensitivity), press the ’’S’’ to switch to 12-1000V(High Sensitivity), which can meet standard and low voltage (12-1000V AC / 48-1000V AC) for more sensitive and flexible measurements. Also, it is easier to identify live and null wire when the wires are neighbouring. - 【Non-Contact Voltage Tester with LCD Display】With NCV inductive probe for AC voltage; just place the tip near a terminal strip, outlet, or supply cord, which can tell live and null wire without safety problem. When the buzzer alarms slowly, light flashes slowly and LCD shows green, it is Null Wire. While the the buzzer alarms quickly, light flashes quickly and LCD shows red, it is live Wire. - 【Quick Break Point Testing】What’s more, this voltage tester pen can works as a perfect wire breakpoint finder. Use high-sensitivity mode during testing, it could help you find the breakpoint quickly and let you know the electrical problems, handy voltage detector for electricians, homeowners. - 【Compact Design with Led Flashlight】Neoteck electric tester comes with bright LED flashlight , enabling you to work in dim ares. Automatic Power Off after 5 minutes without operation to ensure longer working time. Low-power-indicator to let you know the battery status quickly. Compact and pocket-sized with pen hook allows you to carry it in your shirt pocket. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07W4K5Q63 | | Best Sellers Rank | #5,613 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #6 in Voltage Testers | | Brand Name | Neoteck | | Color | Grey | | Customer Reviews | 4.5 4.5 out of 5 stars (13,609) | | Included Components | 1 x Voltage Tester Pen 2 x 1.5V AAA Batteries (included) 1 xManual | | Item Dimensions | 6.1 x 0.8 x 0.8 inches | | Item Weight | 100 g | | Manufacturer | Neoteck | | Measurement Type | Voltmeter | | Minimum Operating Voltage | 12 volts_of_alternating_current | | Model | NTK139 | | Number of Items | 1 | | Part Number | NTK139 | | Power Source | Battery Powered | | Specification Met | RoHS | | Style Name | AC 12-1000V/48-1000V | | Unit Count | 1 Count | | Upper Temperature Rating | 40 °C | | Warranty Description | 18 Months From Purchasing Day | ## Product Details - **Brand:** Neoteck - **Color:** Grey - **Item Weight:** 100 g - **Power Source:** Battery Powered - **Style:** AC 12-1000V/48-1000V ## Images ![Voltage Tester/Non Contact Voltage Tester 12-1000V/48-1000V Adjustable Sensitivity AC Voltage Detector Tester Pen Live/Null Wire Tester with LCD Display Buzzer Alarm Wire Breakpoint Finder - Image 1](https://m.media-amazon.com/images/I/61ebERCkGqL.jpg) ## Available Options This product comes in different **Set** options. ## Questions & Answers **Q: Will this work on low voltage landscaping lighting?** A: Yes, you can test your low voltage landscaping lights with your inquired voltage tester. (Note Please: DC powered landscaping lights is NOT supported) **Q: Will this work on Christmas lights?** A: It can test Christmas lights whose voltage is higher than 12V AC. For Christmas tree lights, we suggest a 'lower-wattage' type of detector. (Note Please: Not Suitable for DC Powered Christmas Light Testing) **Q: Does this tester have a beeping sound when detecting voltage?** A: YES! The Neoteck Non-Contact Voltage Tester DOES BEEP when voltage is detected! The beeping is very convenient to have when sticking the tester in a space where one has a hard time seeing the light-indicator. **Q: I want to test the voltage for an outlet. Will this product tell me the voltage?** A: It will only indicate if the voltage is present or not. No indication of how much voltage. ## Frequently Bought Together - Neoteck Voltage Tester/Non Contact Voltage Tester 12-1000V/48-1000V Adjustable Sensitivity AC Voltage Detector Tester Pen Live/Null Wire Tester with LCD Display Buzzer Alarm Wire Breakpoint Finder - WGGE WG-015 Professional 8-inch Wire Stripper/wire crimping tool, Wire Cutter, Wire Crimper, Cable Stripper, Wiring Tools and Multi-Function Hand Tool. - 180 PCS Wire Connectors, Insulating Insert Twist Electrical Wire Connectors with Spring, Portable Wire Caps for Quick Connection, Colorful Wire Caps Electrical --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/447595534-voltage-tester-non-contact-voltage-tester-12-1000v-48-1000v](https://www.desertcart.us/products/447595534-voltage-tester-non-contact-voltage-tester-12-1000v-48-1000v) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-09-07*