--- product_id: 783287088 title: "Car Test Lamp with 3-48 V LED Digital Voltage Display, Car Circuit Tester with Voltmeter and Two-Tone Polarity Display, Electric Test Pen Including" brand: "winamoo" price: "£20.80" currency: GBP in_stock: true category: "Winamoo" url: https://www.desertcart.co.uk/products/783287088-car-test-lamp-with-3-48-v-led-digital-voltage store_origin: GB region: United Kingdom --- # 0.1V resolution LED display 96-inch extended spring wire 3-48V wide voltage range Car Test Lamp with 3-48 V LED Digital Voltage Display, Car Circuit Tester with Voltmeter and Two-Tone Polarity Display, Electric Test Pen Including **Brand:** winamoo **Price:** £20.80 **Availability:** ✅ In Stock ## Summary > ⚡ Diagnose Like a Pro, Drive with Confidence! ## Quick Answers - **What is this?** Car Test Lamp with 3-48 V LED Digital Voltage Display, Car Circuit Tester with Voltmeter and Two-Tone Polarity Display, Electric Test Pen Including by winamoo - **How much does it cost?** £20.80 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/783287088-car-test-lamp-with-3-48-v-led-digital-voltage) ## Best For - winamoo enthusiasts ## Why This Product - Trusted winamoo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure & Protect:** Ergonomic ABS body with shatterproof design and anti-loss probe sleeve for ultimate durability and safety. - • **Dual-Color Polarity Alert:** Instant red/green LED polarity indicators keep your diagnostics fast and foolproof. - • **Precision Voltage Insight:** Crystal-clear 0.1V resolution LED display ensures you never miss a beat in battery health. - • **Effortless Reach & Flexibility:** Extra-long 96-inch spring wire with large alligator clip for seamless one-hand operation in tight spots. - • **Versatile Vehicle Compatibility:** Perfect for cars, trucks, SUVs, and boats—diagnose everything from batteries to fuse connections with confidence. ## Overview The WINAMOO Car Test Lamp is a professional-grade 3-48V digital voltage tester featuring a sharp stainless steel probe, a bright 0.1V resolution LED display with dual-tone polarity indicators, and a 96-inch flexible spring wire with a large alligator clip. Designed for durability and safety with an ergonomic, shatterproof ABS body and anti-loss probe sleeve, it’s ideal for quick, precise diagnostics across cars, trucks, SUVs, and boats. ## Description WINAMOO 3-48V LED Digital Tester, Voltage Tester with Voltmeter and Two-Tone Polarity Indicator, Electrical Test Pen with Stainless Steel Probe for Car/Truck/SUV Precise reading and clear digital display: The bright LED display shows very clear readings under all lighting conditions, the resolution of 0.1 V with an accuracy of ± 0.2 V gives you a reliable display and shows you the voltage number easily and quickly. Bi-directional light-emitting diode on the circuit board for easy battery charging test, red light indicates positive polarity, green light indicates negative polarity. Quick detection and extended use: WINAMOO automatic circuit tester helps you quickly test the voltage of the car battery and diagnose problems in 3V-48V systems, including the functionality of the alternator tester of car/truck/SUV/boat. Can also check the integrity of the circuit tester of headlights, taillights, turn signal circuits, defective sockets, fuse ports and more. SHARP PROBE & ANTI LOST PROTECTION SLEEVE Sharp stainless steel probe for easy piercing of insulation, even for hard-to-reach areas. Built in anti lost protection sleeve secures the probe during storage and protects it from damage to ensure there are no knife strikes and injuries and will not be lost wherever you go. EXTENDED SPRING WIRE & LARGE CROCODILE CLIP The 96 inch high quality spring wire increases flexibility to access large areas when testing. Attaches with a large alligator clip for easy one-handed operation, which increases efficiency for capacity control of the car battery and beyond. ULTRA DURABLE & SAFE CONSTRUCTION This voltage tester features an ergonomic handle for comfort and secure grip. Built with high quality ABS body with higher transparency, shatterproof and durable. Guarantees a reliable battery counter and circuit analysis for safe operation, making it an indispensable tool in electrical troubleshooting. ## Features - 【Precise reading and clear digital display】 The bright LED display shows very clear readings in all lighting conditions, the resolution of 0.1 V gives you a reliable display and shows you the voltage number easily and quickly. Bi-directional light-emitting diode on the circuit board for easy battery charging test, red light indicates positive polarity, green light indicates negative polarity. - 【Fast Detection and Extended Use】The automatic circuit tester from WINAMOO helps you quickly test the voltage of the car battery and diagnose problems in 3V-48V systems, including the functionality of the alternator tester for car/truck/SUV/boat charging systems. Can also check the integrity of the circuit tester of headlights, tail lights, turn signal circuits, faulty outlets, fuse connections and more. - Sharp probe and anti-loss protection sleeve: Sharp stainless steel probe for easy piercing of insulation, even in hard to reach areas. Built-in anti-loss sheath secures the probe during storage and protects it from damage, ensuring no electric shocks and injuries and that it is not lost wherever you go. - Extended spring wire and large alligator clip: The 96 inches long high-quality spring wire increases flexibility to access large areas when testing. Attached with a large alligator clip for easy one-hand operation, which increases the efficiency for car battery capacity control and beyond. - ULTRA DURABLE & SAFE CONSTRUCTION This voltage tester features an ergonomic handle for comfort and secure grip. Built with high quality ABS body with higher transparency, shatterproof and durable. Guarantees a reliable battery counter and circuit analysis for safe operation, making it an indispensable tool in electrical troubleshooting. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D8PXNPYH | | Best Sellers Rank | #92,463 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #210 in Voltage Testers | | Brand Name | WINAMOO | | Color | black | | Compatible Devices | Car, Truck, SUV, Boat charging systems | | Customer Reviews | 4.7 4.7 out of 5 stars (2,502) | | Included Components | test light for cars | | Item Dimensions | 28.2 x 10.7 x 3.6 centimeters | | Item Weight | 200 Grams | | Manufacturer | WINAMOO | | Maximum Operating Voltage | 48 Volts | | Measurement Type | Voltmeter | | Minimum Operating Voltage | 3 Volts | | Part Number | WITL111A | | Power Source | Corded Electric | | Specification Met | CE, UL | | UPC | 633337513730 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** WINAMOO - **Colour:** black - **Item dimensions L x W x H:** 28.2 x 10.7 x 3.6 centimeters - **Item weight:** 200 Grams - **Power source:** Corded Electric ## Images ![Car Test Lamp with 3-48 V LED Digital Voltage Display, Car Circuit Tester with Voltmeter and Two-Tone Polarity Display, Electric Test Pen Including - Image 1](https://m.media-amazon.com/images/I/71s4Mt5RIVL.jpg) ## Frequently Bought Together - WINAMOO Automotive Test Light with 3-48V LED Digital Voltage Display, Auto Circuit Tester with Voltmeter & Dual Color Polarity Indicate, Electric Test Pen w/Stainless Probe for Car/Truck/SUV Checker - JOREST 300Pcs Car Fuse Assortment Kit, 160 Mini Blade Fuses Automotive + 90 Standard Auto Fuses + 50 Micro + Puller – Replacement for RV Camper Boat Truck (2Amp 3A 5A 7.5A 10A 15A 20A 25A 30A 35A 40A) - AstroAI Digital Multimeter Tester 2000 Counts with DC AC Voltmeter and Ohm Volt Amp Meter; Measures Voltage, Current, Resistance, Continuity and Diode, Blue --- ## 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.uk/products/783287088-car-test-lamp-with-3-48-v-led-digital-voltage](https://www.desertcart.co.uk/products/783287088-car-test-lamp-with-3-48-v-led-digital-voltage) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-14*