--- product_id: 538081078 title: "Smart Circuit Tester, 0.8V-100V DC Voltage Tester with Backlight, Digital Test Light with Flashlight Measures Polarity Continuity, Automotive Fuse Tester for Car Battery" brand: "kaiweets" price: "€ 39.74" currency: EUR in_stock: true category: "Kaiweets" url: https://www.desertcart.fr/products/538081078-smart-circuit-tester-0-8v-100v-dc-voltage-tester-backlight store_origin: FR region: France --- # 0.8-100V DC range Bright green LED backlight 78.74-inch durable PU spring wire Smart Circuit Tester, 0.8V-100V DC Voltage Tester with Backlight, Digital Test Light with Flashlight Measures Polarity Continuity, Automotive Fuse Tester for Car Battery **Brand:** kaiweets **Price:** € 39.74 **Availability:** ✅ In Stock ## Summary > ⚡ Power up your diagnostics with precision and ease! ## Quick Answers - **What is this?** Smart Circuit Tester, 0.8V-100V DC Voltage Tester with Backlight, Digital Test Light with Flashlight Measures Polarity Continuity, Automotive Fuse Tester for Car Battery by kaiweets - **How much does it cost?** € 39.74 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/538081078-smart-circuit-tester-0-8v-100v-dc-voltage-tester-backlight) ## 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 - • **Smart Auto-Detection:** Automatically identifies AC/DC voltage, polarity, resistance & continuity for seamless testing. - • **Extended Voltage Range:** Tests up to 100V DC, surpassing typical 60V limits—perfect for all vehicle circuits. - • **Reliable 3-Year Support:** Backed by a 3-year warranty and lifetime tech assistance—invest in lasting quality. - • **Ultra-Visible LED Display:** Clear green backlight ensures precise readings day or night, with 0.1V resolution. - • **Ergonomic & Durable Design:** Long PU spring wire and large alligator clip enable effortless one-hand operation and storage. ## Overview The KAIWEETS Smart Circuit Tester VT501 is a compact, battery-powered voltmeter designed for automotive professionals and enthusiasts. Featuring a wide 0.8-100V DC testing range, smart auto-detection of voltage and continuity, and a bright green LED backlit display, it delivers accurate, hassle-free diagnostics. Its durable 78.74-inch PU spring wire and ergonomic alligator clip enhance usability, while a 3-year warranty ensures dependable performance. ## Description From the brand We are a young team of engineers dedicated to the research and development of electrical measuring instruments and laser levels. Since our establishment, we have studied the international market and developed several products, suitable for beginners and professionals. We collect user opinions, continuously improve product quality, and provide customers with quality services. More Tools in KAIWEETS Store Visit the store More Tools in KAIWEETS Store Visit the store Worldwide Saling Kaiweets products have spread throughout Europe, America, Asia and other countries Worldwide Saling Kaiweets products have spread throughout Europe, America, Asia and other countries Leading Technology After market research, our professional engineers develop products for specific customer groups Leading Technology After market research, our professional engineers develop products for specific customer groups More Advanced Factory Perfect Manufacturing Process, Professional Craftsmanship and Advanced Quality Checking More Advanced Factory Perfect Manufacturing Process, Professional Craftsmanship and Advanced Quality Checking ## Features - 【Smart Mode】The digital automotive tester defaults to SMART mode. In the SMART mode, the meter can automatically measure and identify the AC/DC voltage, polarity, resistance, and continuity. It can automatically detect the measurement content and choose the optimal range for the highest precision, eliminating the need for any additional operations on your part! - 【Wider Voltage Range】The smart automotive circuit tester with 0.8-100V DC voltage testing range, perfect for examining different electrical circuits in vehicles. Our upgraded technology allows for measuring a maximum voltage of 100V, surpassing the typical 60V maximum voltage capability of other auto electrical testers available on the market. - 【Wide Usage & User-friendly】The digital test light allows for the fast test of automotive headlights, taillights, turn signal circuits, fuse connections, faulty sockets, as well as other 0.8-100V DC wirings and circuits. The premium 78.74-inch long PU spring wire provides flexibility and durability compared to standard cable wires and offers convenient use and storage. It features a large-sized alligator clip for effortless one-hand operation, ensuring improved working efficiency. - 【Precise LED Digital Display & Probe Guard Protection】The automotive circuit tester features a clear and bright green backlight LED digital display that provides accurate volt readouts. It offers a 0.1V resolution ratio with high accuracy. In comparison to LCD displays, the green LED reading display is guaranteed to be clear and visible both during the day and at night. Features a thick probe guard to protect you from accidental stab wounds while helping make the spring wire easy to carry. - 【3-Year After-Sales Service】If durability is what you seek in a circuit testing tool, look no further. we offer a 3-year after-sales service and lifetime technical assistance. If you have any inquiries, please don't hesitate to contact us. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C4TJ6VQC | | Best Sellers Rank | 20,074 in DIY & Tools ( See Top 100 in DIY & Tools ) 13 in Circuit Testers | | Brand | KAIWEETS | | Colour | Black | | Compatible Devices | Vehicles with 0.8-100V DC wirings and circuits | | Country Of Origin | China | | Customer Reviews | 4.6 4.6 out of 5 stars (2,261) | | EU Spare Part Availability Duration | 3 Years | | Included Components | manual | | Item Dimensions | 21.6 x 5.7 x 4.4 centimetres | | Item Weight | 0.15 Kilograms | | Manufacturer | KAIWEETS | | Manufacturer Part Number | VT501 | | Maximum Operating Voltage | 100 Volts | | Measurement Type | Voltmeter | | Minimum Operating Voltage | 0.8 Volts | | Model Number | VT501 | | Number of Items | 1 | | Number of Packs | 1 | | Power Source | Battery Powered | | Style Name | Compact | ## Product Details - **Brand:** KAIWEETS - **Colour:** Black - **Item weight:** 0.15 Kilograms - **Power source:** Battery Powered - **Style:** Compact ## Images ![Smart Circuit Tester, 0.8V-100V DC Voltage Tester with Backlight, Digital Test Light with Flashlight Measures Polarity Continuity, Automotive Fuse Tester for Car Battery - Image 1](https://m.media-amazon.com/images/I/71F1co-MTBL.jpg) ## 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.fr/products/538081078-smart-circuit-tester-0-8v-100v-dc-voltage-tester-backlight](https://www.desertcart.fr/products/538081078-smart-circuit-tester-0-8v-100v-dc-voltage-tester-backlight) --- *Product available on Desertcart France* *Store origin: FR* *Last updated: 2026-10-14*