--- product_id: 585395837 title: "Smart car voltage test pen with backlight 0.8V-100V DC voltage tester digital automotive test lamp measuring polarity continuity" brand: "kaiweets" price: "257.67 DT" currency: TND in_stock: true reviews_count: 5 category: "Kaiweets" url: https://www.desertcart.tn/products/585395837-smart-car-voltage-test-pen-with-backlight-0-8v-100v store_origin: TN region: Tunisia --- # 0.8-100V DC range Green LED backlight display Smart auto-detection mode Smart car voltage test pen with backlight 0.8V-100V DC voltage tester digital automotive test lamp measuring polarity continuity **Brand:** kaiweets **Price:** 257.67 DT **Availability:** ✅ In Stock ## Summary > ⚡ Diagnose smarter, drive safer — never miss a spark! ## Quick Answers - **What is this?** Smart car voltage test pen with backlight 0.8V-100V DC voltage tester digital automotive test lamp measuring polarity continuity by kaiweets - **How much does it cost?** 257.67 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/585395837-smart-car-voltage-test-pen-with-backlight-0-8v-100v) ## Best For - kaiweets enthusiasts ## Why This Product - Trusted kaiweets brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Day & Night Visibility:** Bright green LED backlight ensures crystal-clear readings anytime, anywhere. - • **Unmatched Voltage Range:** Measures up to 100V DC, surpassing typical 60V testers for versatile automotive diagnostics. - • **Trusted Longevity & Support:** Backed by 3 years customer service and lifetime technical support for peace of mind. - • **Effortless Precision Testing:** Smart mode auto-identifies voltage, polarity, resistance & continuity—no manual range setting needed. - • **Durable & User-Friendly Design:** Long PU spring wire and thick probe protection combine flexibility with safety and portability. ## Overview The KAIWEETS Smart Car Voltage Test Pen VT501 is a cutting-edge digital automotive tester designed for professionals and enthusiasts alike. Featuring a wide 0.8-100V DC range, smart auto-detection of electrical parameters, and a bright green LED backlit display, it delivers precise, hassle-free diagnostics on vehicle circuits. Its durable PU spring wire and probe protection ensure safety and convenience, while 3 years of customer service and lifetime support guarantee reliability. Perfect for quick, accurate testing of headlights, fuses, and wiring in modern cars. ## Description KAIWEETS Smart car voltage test pen Review: Perfectly fine and easy to use. - Perfect. A fuse blew in my BMW over the winter due to some frozen windows. Rather that take it to a garage I did some research a figured out the fuse was the problem. It was not easy identifying the fuse and I did not want to take them all out sone at a time. Porsche c this and it allowed me to identify the fuse within 5 minutes. Money definitely well spent. Review: Good quality - no issues - Lightweight - ideal for auto work no issues. ## Features - 【Smart Mode】 The digital automotive tester is in SMART mode by default. In SMART mode, the meter can automatically measure and identify AC/DC voltage, polarity, resistance and continuity. It can automatically detect the measurement contents and choose the optimal range for the highest precision, so no additional action is required by you! - 【Wider voltage range】Intelligent automotive circuit tester with 0.8-100V DC voltage test range is perfect for inspecting various electrical circuits in vehicles. Our improved technology allows us to measure the maximum voltage of 100V by exceeding the typical 60V maximum voltage capacity of other automotive electrical testers on the market. - 【Wide Use & User-Friendly】 The digital test light allows for quick testing of automotive headlights, rear lights, indicator circuits, fuse terminals, faulty sockets and other 0.8-100V DC cables and circuits. long PU spring wire provides flexibility and durability compared to standard cables, and is convenient to use and store. - 【Precise LED Digital Display and Probe Protection】 The automotive circuit tester has a clear and bright LED digital display with green backlight that provides accurate volt readings. Provides a 0.1V resolution ratio with high accuracy. Compared with LCD screens, the green LED screen is guaranteed to be clear and visible both day and night. Thick probe protection protects you from accidental puncture sores and makes the spring wire easy to carry. - 【3 Years Customer Service】 If you are looking for a long life in a circuit tester, then look no further. We offer 3 years of customer service and a lifetime of technical support. If you have any questions, please feel free to contact us. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C4TJ6VQC | | Brand | KAIWEETS | | Brand Name | KAIWEETS | | Color | Black | | Colour | Black | | Compatible Devices | Cars with 12 V electrical system | | Customer Reviews | 4.5 out of 5 stars 2,093 Reviews | | EU Spare Part Availability Duration | 3 Years | | Included Components | sinopsis | | Item Dimensions | 21.6 x 5.7 x 4.4 centimeters | | Item Type Name | Wrench | | Item Weight | 0.15 Kilograms | | Item dimensions L x W x H | 21.6 x 5.7 x 4.4 centimeters | | Item weight | 0.15 Kilograms | | Manufacturer | KAIWEETS | | Maximum Operating Voltage | 100 Volts | | Measurement Type | Voltmeter | | Minimum Operating Voltage | 0.8 Volts (DC) | | Model | VT501 | | Part Number | VT501 | | Power Source | Battery Powered | | Power source | Battery Powered | | Specification Met | CE marked | | Style | Digital | | Style Name | Digital | ## Product Details - **Brand:** KAIWEETS - **Power source:** Battery Powered - **Style:** Digital - **Colour:** Black - **Item weight:** 0.15 Kilograms ## Images ![Smart car voltage test pen with backlight 0.8V-100V DC voltage tester digital automotive test lamp measuring polarity continuity - Image 1](https://m.media-amazon.com/images/I/71F1co-MTBL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfectly fine and easy to use. *by A***N on 25 March 2026* Perfect. A fuse blew in my BMW over the winter due to some frozen windows. Rather that take it to a garage I did some research a figured out the fuse was the problem. It was not easy identifying the fuse and I did not want to take them all out sone at a time. Porsche c this and it allowed me to identify the fuse within 5 minutes. Money definitely well spent. ### ⭐⭐⭐⭐⭐ Good quality - no issues *by H***3 on 18 March 2026* Lightweight - ideal for auto work no issues. ### ⭐⭐⭐⭐⭐ bien *by C***N on 20 May 2026* super ## Frequently Bought Together - KAIWEETS 0.8V-100V DC Smart Automotive Test Light, Buzzer Circuit Tester with Sharp Probe, Bidirectional Voltage Tester with Flashlight, Electric Test Pen for Car Battery Polarity Continuity Fuses - JOREST 300Pcs Car Fuse Assortment Kit, 160 Mini Blade Fuses Automotive + 90 Standard Auto Fuses + 50 Micro + 1 Puller – for RV Camper Boat Accessories (2Amp 3A 5A 7.5A 10A 15A 20A 25A 30A 35A 40A) - LZLINYJLONG Relay Puller Pliers Relay and Fuse Remover Tool, Automotive Relay FMM Fuses Puller Tool, Car Vehicle Battery Terminal Wiper Remover --- ## 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/585395837-smart-car-voltage-test-pen-with-backlight-0-8v-100v](https://www.desertcart.tn/products/585395837-smart-car-voltage-test-pen-with-backlight-0-8v-100v) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-05*