--- product_id: 593730287 title: "ZT-DB03 Voltage Tester with Ambient Temperature Display, Non-Contact Voltage Tester, Multi-Range Test Pen, Live/Null line Tester, Electric Tester with Flashlight, Break-Point Detector." brand: "zotek" price: "S$21" currency: SGD in_stock: true reviews_count: 6 category: "Zotek" url: https://www.desertcart.sg/products/593730287-zt-db03-voltage-tester-with-ambient-temperature-display-non-contact store_origin: SG region: Singapore --- # Non-contact AC voltage detection up to 1000V Long-lasting with 2x AAA batteries & auto sleep Built-in LED flashlight for low-light work ZT-DB03 Voltage Tester with Ambient Temperature Display, Non-Contact Voltage Tester, Multi-Range Test Pen, Live/Null line Tester, Electric Tester with Flashlight, Break-Point Detector. **Brand:** zotek **Price:** S$21 **Availability:** ✅ In Stock ## Summary > ⚡ Stay Shock-Savvy: Test Smarter, Work Safer! ## Quick Answers - **What is this?** ZT-DB03 Voltage Tester with Ambient Temperature Display, Non-Contact Voltage Tester, Multi-Range Test Pen, Live/Null line Tester, Electric Tester with Flashlight, Break-Point Detector. by zotek - **How much does it cost?** S$21 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/593730287-zt-db03-voltage-tester-with-ambient-temperature-display-non-contact) ## Best For - zotek enthusiasts ## Why This Product - Trusted zotek brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Auto Sleep Mode:** Saves battery life by powering down after 15 minutes of inactivity—ready when you are, always. - • **Non-Contact Safety First:** Detect live wires without touching—flash and beep alerts keep you safe and confident on every job. - • **Compact & Clip-Ready Design:** Fits snugly in your pocket or tool kit, making it the go-to tester for electricians and DIY pros on the move. - • **CE Certified for Industrial Use:** Meets CAT II 1000V safety standards, trusted for professional and home electrical testing. - • **Precision Dual-Range Voltage Detection:** Switch effortlessly between 12V-1000V and 48V-1000V for pinpoint accuracy in any electrical environment. ## Overview The ZT-DB03 Voltage Tester is a compact, non-contact AC voltage detector with dual-range measurement (12V-1000V and 48V-1000V), designed for electricians and homeowners. Featuring audible and visual alerts, an integrated LED flashlight, and an energy-saving auto sleep mode, it ensures safe, precise, and convenient electrical testing. CE CAT II 1000V certified, it’s ideal for detecting live wires, breakpoints, and low-voltage circuits in various environments. ## Description ZT-DB03 is a multi-function non contact electrical tester pen with ambient temperature display. The non contact voltage detector can ensure the safety of users. It can be used as a hot wire tester and it can also detect breakpoints. As a voltage tester, the detection range can easily measure 5 range switched between 12V-1000V and 48V-1000V . It has sound and light alarm function . The closer to the AC power supply, the faster the red alarm light flashing, accompanied by a rapid alarm sound, to remind the user to keep safe. It requires 2 Section AAA-DC1.5V to supply power.No need to operate, 15 minutes after the automatic shutdown, greatly extend the service life of the electrical tester. Designed to be compact and easy to carry, it can be put into the kits, jacket pockets, pants pockets, etc.It can be used as a household socket tester, household circuit tester, household lighting tester and other simple line detection. As an AC voltage detector，It can also be used to detect doorbells, thermostats, power distribution boxes and more， can also be used for home, factory, school, laboratory and other electrical engineering circuit test. Review: No temperature display and voltage display only low and high light - Product showing different things and not available display temperature and voltage Review: Good so far. - Works for what I got it for. ## Features - 【Non-contact measurement】AC voltage NCV induction probe, put the probe end close to the power supply and voltage, if the distance is closer, the frequency of flashing red lights will be higher, and there will be a high-frequency beeping sound, which means that there is voltage, The live tester automatically detects live or neutral, is ideal for break-point testing.It is a convenient circuit tester for electricians and homeowners. - 【Precise dual-range measurement】Dual-range measurement (48V-1000V/12V-1000V AC), adjusted according to the usage scene, the measurement is more accurate, the default low-sensitivity measurement mode (48V-1000V AC) when powered on, press the S key to enter High-sensitivity measurement mode (12V-1000V AC), suitable for low ranges such as doorbells, thermostats, and irrigation wiring. - 【Efficient】Press and hold the switch key for two seconds to power on, as long as the voltage is detected, the red light strip in the test pencil will flash, and a buzzer will sound at the same time. When not in use or no voltage is detected, the test pen will enter the sleep state, and it will automatically shut down if there is no operation or no signal detection within 15 minutes. - 【Small, Lightweight, Durable Design】LED flashlight, suitable for use in dim environment; Two AAA 1.5V power supplies, low voltage tips below 2.5V; Convenient clip, fits securely into your pocket, compact design, convenient and practical. - 【Safety Level】CE CAT II 1000V meets CE requirements. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BCK169W9 | | Best Sellers Rank | #12,096 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #197 in Voltage Testers | | Brand | ZOTEK | | Brand Name | ZOTEK | | Colour | Red | | Country of Origin | China | | Customer Reviews | 4.2 out of 5 stars 113 Reviews | | Included Components | Non-Contact Test Pen User Manual | | Item Dimensions | 15.6 x 2.3 x 2.8 Centimeters | | Item dimensions L x W x H | 15.6 x 2.3 x 2.8 Centimeters | | Manufacturer | ZOYI | | Maximum Operating Voltage | 1000 Volts | | Measurement Type | Voltage Tester | | Min. Operating Voltage | 12 Volts | | Minimum Operating Voltage | 12 Volts | | Model Number | ZT-DB03 | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | ZT-DB02 | | Power Source | Battery Powered | | Power Source Type | Battery Powered | | Specification Met | CE | | Style | Compact | | Style Name | Compact | | UPC | 787309234625 | ## Product Details - **Brand:** ZOTEK - **Power Source:** Battery Powered - **Style:** Compact - **Colour:** Red - **Item dimensions L x W x H:** 15.6 x 2.3 x 2.8 Centimeters ## Images ![ZT-DB03 Voltage Tester with Ambient Temperature Display, Non-Contact Voltage Tester, Multi-Range Test Pen, Live/Null line Tester, Electric Tester with Flashlight, Break-Point Detector. - Image 1](https://m.media-amazon.com/images/I/61JHl1824aL.jpg) ![ZT-DB03 Voltage Tester with Ambient Temperature Display, Non-Contact Voltage Tester, Multi-Range Test Pen, Live/Null line Tester, Electric Tester with Flashlight, Break-Point Detector. - Image 2](https://m.media-amazon.com/images/I/71Y9eA6czaL.jpg) ![ZT-DB03 Voltage Tester with Ambient Temperature Display, Non-Contact Voltage Tester, Multi-Range Test Pen, Live/Null line Tester, Electric Tester with Flashlight, Break-Point Detector. - Image 3](https://m.media-amazon.com/images/I/810EVt+A-mL.jpg) ![ZT-DB03 Voltage Tester with Ambient Temperature Display, Non-Contact Voltage Tester, Multi-Range Test Pen, Live/Null line Tester, Electric Tester with Flashlight, Break-Point Detector. - Image 4](https://m.media-amazon.com/images/I/71R5nurWx3L.jpg) ![ZT-DB03 Voltage Tester with Ambient Temperature Display, Non-Contact Voltage Tester, Multi-Range Test Pen, Live/Null line Tester, Electric Tester with Flashlight, Break-Point Detector. - Image 5](https://m.media-amazon.com/images/I/71TfWEEsMdL.jpg) ## Questions & Answers **Q: does this work on Christmas lights** A: Yes, that is what I bought it for. **Q: my tester quit after using for three days changed batteries the flashlight comes on and wont go off tester wil not work** A: Thank you very much for your feedback on using the DB03 product. Your information is very important to us. If you encounter the fault you mentioned, you can try the following operations: 1. Check whether the safety key is stuck and whether other safety key functions can work normally; 2. Check whether the battery size is too large, which may cause internal structure deformation; 3. After confirming the above two points, you can try to turn off and restart the device. ## Customer Reviews ### ⭐ No temperature display and voltage display only low and high light *by T***E on 22 August 2026* Product showing different things and not available display temperature and voltage ### ⭐⭐⭐⭐⭐ Good so far. *by W***L on 26 August 2026* Works for what I got it for. ### ⭐⭐⭐⭐⭐ Customer Service *by M***. on 10 July 2026* Customer service at Zoyi & Zotec Official Flagship Store is excellent. I recently purchased this Voltage Pen and either mis-ordered or received the wrong product. The company quickly addressed the issue professionally and honorably to my satisfaction. Regarding the product itself, it works and is of good value for the dollar. ## Frequently Bought Together - ZOYI ZT-DB03 AC Voltage Detector - Non-Contact Voltage Tester Pen, Adjustable Sensitivity, Electricity Tester, Live Wire Tester, Electrical Tester Pen, 12-1000V - Socket Tester, Plug Tester for Electrical outlets,ZT-E4, Leakage Detector with GFCI Test, Electrical Circuit Tester for Quick and Safe Wiring Diagnosis - Klein Tools RT250 GFCI Outlet Tester with LCD Display, Electric Voltage Tester for Standard 3-Wire 120V Electrical Receptacles --- ## 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.sg/products/593730287-zt-db03-voltage-tester-with-ambient-temperature-display-non-contact](https://www.desertcart.sg/products/593730287-zt-db03-voltage-tester-with-ambient-temperature-display-non-contact) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-10-04*