---
product_id: 585395837
title: "KAIWEETS Smart car voltage test pen with backlight 0.8V-100V DC voltage tester digital automotive test lamp measuring polarity continuity"
brand: "kaiweets"
price: "S$54"
currency: SGD
in_stock: true
reviews_count: 5
category: "Kaiweets"
url: https://www.desertcart.sg/products/585395837-kaiweets-smart-car-voltage-test-pen-with-backlight-0-8v
store_origin: SG
region: Singapore
---

# 0.8-100V DC range Smart auto-detection mode 0.1V high-precision LED display KAIWEETS Smart car voltage test pen with backlight 0.8V-100V DC voltage tester digital automotive test lamp measuring polarity continuity

**Brand:** kaiweets
**Price:** S$54
**Availability:** ✅ In Stock

## Summary

> ⚡ Diagnose like a pro—never miss a spark!

## Quick Answers

- **What is this?** KAIWEETS 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?** S$54 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/585395837-kaiweets-smart-car-voltage-test-pen-with-backlight-0-8v)

## 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

- • **Effortless Smart Mode:** Auto-identifies AC/DC voltage, polarity, resistance & continuity—no manual range setting needed.
- • **Unmatched Voltage Range:** Tests up to 100V DC, surpassing typical 60V testers for versatile automotive diagnostics.
- • **Crystal-Clear LED Display:** Bright green backlit screen ensures precise readings day or night with 0.1V resolution.
- • **Trusted Longevity & Support:** Backed by 3 years of customer service and lifetime technical support for peace of mind.
- • **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 is a cutting-edge digital automotive tester designed for professionals and enthusiasts alike. Featuring an intelligent SMART mode, it automatically detects and measures AC/DC voltage, polarity, resistance, and continuity within a broad 0.8-100V DC range. Its bright green LED backlit display delivers ultra-precise 0.1V readings, ensuring accuracy in any lighting condition. Built with durable PU spring wiring and probe protection, it offers both flexibility and safety. Supported by 3 years of customer service and lifetime technical assistance, this tool is your ultimate companion for reliable vehicle electrical diagnostics.

## Description

KAIWEETS Smart car voltage test pen

Review: ドラレコ取り付けのために購入 - 今後も何か使い道があるかな・・と思って、良さそうなものを購入。 いろいろ計測できると、楽しいし、安心して作業できます。 取り付ける装置の値段と、取り付けを依頼せず、自分でやることを考えて、保険の意味を込めて、このくらい購入しても後悔はないと思います。
Review: Great tool - Works great And easy to use

## 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 | Vehicles with 0.8-100V DC cables and circuits |
| Customer Reviews | 4.5 out of 5 stars 2,147 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

![KAIWEETS 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)
![KAIWEETS Smart car voltage test pen with backlight 0.8V-100V DC voltage tester digital automotive test lamp measuring polarity continuity - Image 2](https://m.media-amazon.com/images/I/81oDzQ82kDL.jpg)
![KAIWEETS Smart car voltage test pen with backlight 0.8V-100V DC voltage tester digital automotive test lamp measuring polarity continuity - Image 3](https://m.media-amazon.com/images/I/81gxDxMv84L.jpg)
![KAIWEETS Smart car voltage test pen with backlight 0.8V-100V DC voltage tester digital automotive test lamp measuring polarity continuity - Image 4](https://m.media-amazon.com/images/I/81P+lvqtPpL.jpg)
![KAIWEETS Smart car voltage test pen with backlight 0.8V-100V DC voltage tester digital automotive test lamp measuring polarity continuity - Image 5](https://m.media-amazon.com/images/I/81u8jMqKiaL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ ドラレコ取り付けのために購入
*by K***O on 3 July 2026*

今後も何か使い道があるかな・・と思って、良さそうなものを購入。 いろいろ計測できると、楽しいし、安心して作業できます。 取り付ける装置の値段と、取り付けを依頼せず、自分でやることを考えて、保険の意味を込めて、このくらい購入しても後悔はないと思います。

### ⭐⭐⭐⭐⭐ Great tool
*by L***R on 5 July 2026*

Works great And easy to use

### ⭐⭐⭐⭐⭐ bien
*by C***N on 20 May 2026*

super

## Frequently Bought Together

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- LZLINYJLONG Relay Puller Pliers Relay and Fuse Remover Tool, Automotive Relay FMM Fuses Puller Tool, Car Vehicle Battery Terminal Wiper Remover

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-07-15*