--- product_id: 447595534 title: "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 | Adjustable 12V/48V-1000V Dual Sensitivity Detector. Live/Null Wire & Breakpoint Finder with Buzzer Alarm" brand: "neoteck" price: "96.77 DT" currency: TND in_stock: true category: "Neoteck" url: https://www.desertcart.tn/products/447595534-neoteck-voltage-tester-non-contact-voltage-tester-12-1000v-48 store_origin: TN region: Tunisia --- # 12-1000V dual sensitivity range Clear LCD live/null wire display Built-in LED flashlight for dark spots 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 | Adjustable 12V/48V-1000V Dual Sensitivity Detector. Live/Null Wire & Breakpoint Finder with Buzzer Alarm **Brand:** neoteck **Price:** 96.77 DT **Availability:** ✅ In Stock ## Summary > ⚡ Stay powered, stay safe — the voltage tester that’s always a step ahead! ## Quick Answers - **What is this?** 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 | Adjustable 12V/48V-1000V Dual Sensitivity Detector. Live/Null Wire & Breakpoint Finder with Buzzer Alarm by neoteck - **How much does it cost?** 96.77 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/447595534-neoteck-voltage-tester-non-contact-voltage-tester-12-1000v-48) ## 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:** Slim, pocket-sized design with pen clip and automatic 5-minute power-off keeps you ready and efficient on the go. - • **Non-Contact Safety:** Detect live and null wires without touching, ensuring your safety with instant buzzer and color-coded LCD alerts. - • **Work Anywhere, Anytime:** Integrated bright LED flashlight illuminates dark workspaces, so no job is ever out of reach. - • **Rapid Breakpoint Finder:** Quickly locate wire breaks with high-sensitivity mode—ideal for electricians and DIY pros who can’t afford downtime. - • **Precision Voltage Detection:** Switch effortlessly between 12-1000V and 48-1000V modes for tailored sensitivity and pinpoint accuracy. ## Overview The Neoteck Voltage Tester NTK139 is a professional-grade, dual-sensitivity AC voltage detector (12-1000V/48-1000V) featuring a non-contact inductive probe, buzzer alarm, and clear LCD display to distinguish live and null wires safely. Certified CE CAT III600V and RoHS compliant, it includes a built-in LED flashlight, quick wire breakpoint detection, and an automatic power-off function, all packed into a compact, lightweight pen-style design perfect for electricians, DIY enthusiasts, and homeowners seeking reliable, on-the-go electrical diagnostics. ## 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 | Adjustable 12V/48V-1000V Dual Sensitivity Detector. Live/Null Wire & Breakpoint Finder with Buzzer Alarm - 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 | #1,726 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #4 in Voltage Testers | | Brand Name | Neoteck | | Color | Grey | | Customer Reviews | 4.5 4.5 out of 5 stars (13,381) | | 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 | 0.09 Kilograms | | Manufacturer | Neoteck | | Measurement Type | Voltmeter | | Minimum Operating Voltage | 12 Volts (AC) | | Model | NTK139 | | Part Number | NTK139 | | Power Source | Battery Powered | | Specification Met | RoHS | | Style Name | AC 12-1000V/48-1000V | | Unit Count | 1.0 Count | | Upper Temperature Rating | 40 Degrees Celsius | | Warranty Description | 18 Months From Purchasing Day | ## Product Details - **Brand:** Neoteck - **Color:** Grey - **Item Weight:** 0.09 Kilograms - **Power Source:** Battery Powered - **Style:** AC 12-1000V/48-1000V ## Images ![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 | Adjustable 12V/48V-1000V Dual Sensitivity Detector. Live/Null Wire & Breakpoint Finder with Buzzer Alarm - Image 1](https://m.media-amazon.com/images/I/61ebERCkGqL.jpg) ![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 | Adjustable 12V/48V-1000V Dual Sensitivity Detector. Live/Null Wire & Breakpoint Finder with Buzzer Alarm - Image 2](https://m.media-amazon.com/images/I/71xHHSDw9ML.jpg) ![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 | Adjustable 12V/48V-1000V Dual Sensitivity Detector. Live/Null Wire & Breakpoint Finder with Buzzer Alarm - Image 3](https://m.media-amazon.com/images/I/81IA3EUAT9L.jpg) ![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 | Adjustable 12V/48V-1000V Dual Sensitivity Detector. Live/Null Wire & Breakpoint Finder with Buzzer Alarm - Image 4](https://m.media-amazon.com/images/I/71ARcLEJE-L.jpg) ![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 | Adjustable 12V/48V-1000V Dual Sensitivity Detector. Live/Null Wire & Breakpoint Finder with Buzzer Alarm - Image 5](https://m.media-amazon.com/images/I/71PHtORrNrL.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.tn/products/447595534-neoteck-voltage-tester-non-contact-voltage-tester-12-1000v-48](https://www.desertcart.tn/products/447595534-neoteck-voltage-tester-non-contact-voltage-tester-12-1000v-48) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-26*