--- product_id: 285951147 title: "6V-12V-24V DC Car Circuit Tester Light, Professional Auto Voltage Continuity Test, Automotive Electrical Volt Test Light/Long Probe for Wire/Fuse/Socket and More - Red" brand: "tunan" price: "฿750" currency: THB in_stock: true reviews_count: 13 category: "Tu Nan" url: https://www.desertcart.co.th/products/285951147-6v-12v-24v-dc-car-circuit-tester-light-professional-auto store_origin: TH region: Thailand --- # 18cm long probe with alligator clip for tight spots 6V-12V-24V DC voltage range Bright indicator light for instant circuit status 6V-12V-24V DC Car Circuit Tester Light, Professional Auto Voltage Continuity Test, Automotive Electrical Volt Test Light/Long Probe for Wire/Fuse/Socket and More - Red **Brand:** tunan **Price:** ฿750 **Availability:** ✅ In Stock ## Summary > ⚡ Power up your diagnostics with precision and speed! ## Quick Answers - **What is this?** 6V-12V-24V DC Car Circuit Tester Light, Professional Auto Voltage Continuity Test, Automotive Electrical Volt Test Light/Long Probe for Wire/Fuse/Socket and More - Red by tunan - **How much does it cost?** ฿750 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/285951147-6v-12v-24v-dc-car-circuit-tester-light-professional-auto) ## Best For - tunan enthusiasts ## Why This Product - Trusted tunan brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Instant Visual Feedback:** Bright 3W replaceable bulb glows to confirm circuit continuity and power presence. - • **Durable & Reliable Build:** Crafted from copper and insulative ABS plastic for professional-grade longevity and safety. - • **Extended Reach Precision:** Long 7-inch probe paired with alligator clip ensures access to hard-to-reach wires and fuses. - • **Triple Voltage Compatibility:** Seamlessly tests 6V, 12V, and 24V DC automotive systems for versatile diagnostics. - • **Time-Saving Automotive Essential:** Quickly diagnose headlights, taillights, fuses, and wiring faults to keep your vehicle road-ready. ## Overview The TuNan 6V-12V-24V DC Car Circuit Tester is a professional handheld tool designed for quick and accurate voltage and continuity testing in automotive electrical systems. Featuring a bright replaceable 3W bulb indicator, a long 18cm probe with an alligator clip, and durable copper and ABS construction, it efficiently detects power, grounds, shorts, and breaks across a wide range of vehicles including cars, SUVs, trucks, and RVs. Ideal for professionals and enthusiasts alike, it streamlines troubleshooting of headlights, taillights, fuses, and wiring, ensuring reliable vehicle maintenance. ## Description Packing List: 1 x Spring Cable Circuit Tester (Cable length: 0.55m-2m/1.8ft-6.56ft) Note: The test range is 6V-12V-24V, and it is strictly forbidden to use beyond the test range. Due to the different measured voltages, the brightness of the light will be different. Please do not put it in the reach of children. Circuit Tester: Voltage Range: 6V / 12V/24V DC Pen Length:18cm/7.0in Material of Handle: Insulative ABS Bulb: 3 Watt Bulb (Replaceable) Quickly check automotive headlights, taillights, turn signal circuits, faulty sockets, connections, fuses, broken wires and more. This circuit tester will save you time and speed up the job, perfect for automotive use. Review: GREAT BUY! - This was a great by which we needed to test the motors on the windows of my car. Excellent tool to have very good working condition and much cheaper than any auto store. I am very impressed. Review: DC check on the spot - Perfect for traveling pulling a trailer; easy way to check lights & connection ## Features - FUNCTION: Circuit Tester for 6V-12V-24V DC Systems, used to detect power, ground and find shorts and breaks in wires. - WIDELY USE: Can be used for passenger car, Sedan, SUV, RV, Truck, a professional tool for detecting open circuit, fuse, tuning signal light, headlight, taillight, etc. - INDICATOR LIGHT: Handle brightly illuminates if circuit is good. Due to the different measured voltages, the brightness of the light will be different.(3 Watt Bulb---Replaceable) - LONG PROBE WITH ALLIGATOR CLIP: Long probe with alligator clip make sure you are able to reach the tight place. - MATERIAL AND QUANTITY: Made of durable copper and plastic, durable and reliable. 1 pcs voltage tester. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08SM1GB1T | | Best Sellers Rank | #208,516 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #301 in Circuit Testers | | Brand Name | TuNan | | Color | Red | | Customer Reviews | 4.4 4.4 out of 5 stars (551) | | Item Weight | 0.01 Kilograms | | Manufacturer | TuNan | | Measurement Type | Voltmeter | | Minimum Operating Voltage | 6 Volts | | Model | TN-1tester-red | | Power Source | Corded Electric | | Specification Met | CE, RoHS | | Style Name | Handheld | | UPC | 609832367819 | | Unit Count | 1.0 Count | | Upper Temperature Rating | 125 Degrees Celsius | ## Product Details - **Brand:** TuNan - **Color:** Red - **Item Weight:** 0.01 Kilograms - **Power Source:** Corded Electric - **Style:** Handheld ## Images ![6V-12V-24V DC Car Circuit Tester Light, Professional Auto Voltage Continuity Test, Automotive Electrical Volt Test Light/Long Probe for Wire/Fuse/Socket and More - Red - Image 1](https://m.media-amazon.com/images/I/61gFhrHBs8L.jpg) ![6V-12V-24V DC Car Circuit Tester Light, Professional Auto Voltage Continuity Test, Automotive Electrical Volt Test Light/Long Probe for Wire/Fuse/Socket and More - Red - Image 2](https://m.media-amazon.com/images/I/71SOzku60AL.jpg) ![6V-12V-24V DC Car Circuit Tester Light, Professional Auto Voltage Continuity Test, Automotive Electrical Volt Test Light/Long Probe for Wire/Fuse/Socket and More - Red - Image 3](https://m.media-amazon.com/images/I/61mXkzDeXQL.jpg) ![6V-12V-24V DC Car Circuit Tester Light, Professional Auto Voltage Continuity Test, Automotive Electrical Volt Test Light/Long Probe for Wire/Fuse/Socket and More - Red - Image 4](https://m.media-amazon.com/images/I/51s5lP6krAL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ GREAT BUY! *by B***R on October 19, 2023* This was a great by which we needed to test the motors on the windows of my car. Excellent tool to have very good working condition and much cheaper than any auto store. I am very impressed. ### ⭐⭐⭐⭐⭐ DC check on the spot *by A***R on February 25, 2026* Perfect for traveling pulling a trailer; easy way to check lights & connection ### ⭐⭐⭐⭐⭐ TRUTH BE TOLD *by T***D on September 30, 2024* working as advertised. good quality. there are cheaper ones. this is to keep in my dash. bright, easy to use. ## Frequently Bought Together - TuNan 6V-12V-24V DC Car Circuit Tester Light, Professional Auto Voltage Continuity Test, Automotive Electrical Volt Test Light/Long Probe for Wire/Fuse/Socket and More - Red - JOREST 300Pcs Car Fuse Assortment Kit, 160 Mini Blade Fuses Automotive + 90 Standard Auto Fuses + 50 Micro Fuse + 1 Puller – for Car/RV/Truck/Motorcycle(2Amp 3A 5A 7.5A 10A 15A 20A 25A 30A 35A 40A) - Premium LED Bulb Automotive Circuit Tester, 6-24V Test Light with 135 Inch PU Extended Spring Wire, Sharp Hard Steel Probe Vehicle Circuits Low DC Voltage Light Tester --- ## 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.co.th/products/285951147-6v-12v-24v-dc-car-circuit-tester-light-professional-auto](https://www.desertcart.co.th/products/285951147-6v-12v-24v-dc-car-circuit-tester-light-professional-auto) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-26*